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Whether it’s because of spam callers, annoying promotional messages, or anything else, there are times when you might want to block a contact or a number on your iPhone completely and get some peace of mind. Fortunately, there are multiple ways you can do this without having to jump through hoops. So, regardless of the reason you’re looking to block someone, here is how to block a number on iPhone.

Quick Ways to Block a Number on iOS (2024)

Whether you want to block someone from calling you or texting you, or whether you want to block contacts on messaging apps like WhatsApp and Telegram, we have you covered. We will discuss the steps to easily block numbers on your iPhone in the Phone app, as well as on WhatsApp, Telegram, Signal, and more. We will also take a look at how you can find out if someone else has blocked you.

As always, you can use the table of contents below to navigate through this article.

Block a Number on iPhone Block a Number from Recent Calls on iPhone

If you recently received a call from a number and you want to block them, here is how you can do that directly from the Recent Calls screen on your iPhone.

2. Now, find the phone number that you want to block and then tap the “i” info button right next to it.

3. After that, tap Block this Caller and confirm.


That’s it! From now onwards, you will no longer receive phone calls, messages, or FaceTime calls from the number or contact you have blocked.

Block a Number Using Messages App on iPhone

1. Launch the Messages app on your iOS device. Then, head over to the person/chat thread you want to block.

2. Now, tap the name of the person at the top and then hit the “Info” button.

3. Next, tap the Block this Caller option at the bottom. Be sure to confirm by tapping Block Contact in the popup menu.

Quickly Block Numbers Using Settings App on iPhone

Though this situation might not arise for most people, if you’re unfortunately in a situation where you want to block a lot of contacts on your iPhone, I would recommend doing so via the Settings app on your iPhone. Here is how to do this.

2. Now, tap on Blocked Contacts.

3. Next, tap Add New and then choose the contact you want to block in the address book. That’s it! It will instantly be added to your list of blocked contacts. To block more contacts, repeat this same quick step.

Although it would be easier to use this method if Apple allowed us to bulk-block numbers, it’s still faster to block multiple phone numbers on iOS using this method as compared to the other methods discussed in this article.

How to Unblock Numbers on iPhone and Manage Your iPhone Blocked List

iOS provides a detailed list of blocked numbers and also allows you to manage the list with the needed flexibility. Hence, you can keep a track of the blocked contacts and choose to unblock individuals.

2. Scroll down a bit and select the Blocked Contacts option. Then, tap Edit at the top right corner of the screen.

3. Next, tap the red “-” button to the left of the contact you want to unblock and then hit the Unblock button. In the end, make sure to tap Done at the upper right corner of the screen to finish.

If you want to avoid getting messages from annoying people on WhatsApp, here is how to block a number on WhatsApp for iOS.

1. First off, open WhatsApp on your iPhone. After that, navigate to the contact you would like to block and tap it.

You can also block contacts on Signal pretty easily, here’s what you need to do.

1. Open the Signal app on your iOS device and tap the contact in question.

2. Tap the name of your friend at the top. After that, tap Block User and confirm.

Signal comes with a ton of handy features to enhance your messaging experience. To get the most out of this app, head over to our exhaustive roundup of the best Signal tips and tricks.

1. To begin with, launch the Telegram app on your iPhone. Then, head over to the contact you want to put on the block list and tap it.

2. Tap the name of the person at the top of the screen. Now, tap the “more” button (three-dot icon).

3. Next, choose Block User in the popup menu. When prompted to confirm the action, tap Block “Name” in the menu.

How to Tell If Someone Blocked You on iPhone

When someone doesn’t respond to your repeated calls or messages, it’s easy to wonder whether they have blocked you for good. While there is no definitive way, there are some effective workarounds that can help you figure out if someone has blocked you on iPhone. To get the mystery out of the way, check out our detailed guide.

Easily Block Numbers on iPhone and Avoid Spam Calls and Messages

So, that’s how you can easily block numbers and manage them on your iOS device. While I’m fine with the native blocking functionality, I wish Apple added the ability to automatically block robocallers and telemarketers right in the Phone app. Yeah, I’m expecting a built-in Truecaller alternative for iOS. It would go a long way in keeping spam calls at a distance. What do you think about it? Do share your thoughts and the sort of improvements you would like to see in the Phone app on iOS.

You're reading How To Block A Number On Iphone

How To Block Unwanted Text Messages On Your Iphone, Ipad And Mac

We’ve all been there: sitting and working on our devices when we randomly get a message from an unknown sender. The message usually varies from a sales pitch to a dating request. You can choose to ignore it, but if you start receiving messages repeatedly from the same number, it can be very annoying. Fortunately, blocking messages from a specific sender is very easy on iOS but, it is a bit of a lengthier process on macOS.

Both methods are detailed below.

How to Block Messages on iOS

Blocking messages on iOS is very easy. You just need to select the contact information and choose the option to “Block the caller.”

1. In the Messages app, open the message/conversation from the sender that you want to block.

2. Tap on the contact at the top of the conversion.

3. Tap on the small Info button next to it.

That’s it. Do note that this contact will still be able to send you a voicemail, but you won’t get a notification about it. Also, they won’t know that you’ve blocked them, but any messages sent by you or them won’t get delivered.

This method also works for blocking messages by corporate brands (sent by a 5 digit number), so you can easily block all unwanted sale messages.

How to Block Messages on macOS

If you’ve tried blocking a number in the Messages app on macOS, you may have noticed that there is no direct option to do so. Blocking messages from a sender on macOS is a bit more tedious, since you can’t directly block a sender. Instead, the sender’s phone number / iMessage email address has to be added as a contact first before it can be blocked. The method is a bit longer but works just as well. We hope Apple considers a more simpler solution like the one for iOS.

1. Open up the Messages app on macOS, and select the conversation with the sender you want to block.

3. Save the number as a contact. We’d recommend using some random name, such as “Blocked.”

That’s it. It’s also worth noting that if your iPhone/Mac share the same Apple ID, blocking an address / phone number on any one device will result in it automatically being blocked on each device using the same Apple ID with Messages. That’s why we recommend using the iOS method described above, as it’s much easier and simpler.

Shujaa Imran

Shujaa Imran is MakeTechEasier’s resident Mac tutorial writer. He’s currently training to follow his other passion become a commercial pilot. You can check his content out on Youtube

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How To Block The Volume Buttons On Android

You’re anxiously awaiting an important call, but it’s not until much later that you realize your ringer volume was accidentally turned down too low to hear. Turning the volume up and down is easy on Android devices – sometimes too easy. Simply picking up your phone or letting someone else borrow it could change the volume. But if you block the volume buttons on Android, your settings can’t be changed accidentally.

There are several ways to do this using third-party apps. The good news is no root is required.

Switch Volume Buttons to Media Only

It’s quick and easy to adjust the volume when you’re listening to media on your device. But you usually don’t realize the ringer or notification volume is off or too low until you’ve missed a call or text. Changing one setting on Android helps you block the volume buttons from changing anything except media by default.

Press your volume up or down button to display your current ringer volume level. Tap the drop-down arrow at the top right of the volume window.

Remap Buttons with Buttons Remapper

Buttons Remapper works a little differently. It doesn’t block the volume buttons on Android; instead, it gives them a different purpose by remapping them. However, one of those purposes is “Do Nothing,” essentially blocking the volume buttons.

Once you download the app, you’ll need to follow the instructions in the app to enable it in your Accessibility settings. Before you remap your volume keys, ensure your volume levels are where you want them to be.

Open Buttons Remapper and tap the yellow + button to add a new remap action. Ensure the “Services enabled” box is toggled to on. It may or may not turn on automatically when you enable the service in Accessibility.

Choose “Short and long press.”

Select the “Volume +” button. You can check “Long Press” to ensure long pressing doesn’t change anything accidentally. Under Action, choose “Do Nothing” or any other action of your choice. Tap OK when done.

Repeat the process for your Volume – button. If you’re only worried about your volume getting turned down, you can just remap the the Volume – (down) button.

The app is free, but some features are premium only. Remapping your volume keys is free, though. If you want to re-enable your volume keys, long-press on the Volume key actions and delete them.

Using Rocket Locker for Older Devices

The only problem is the app is no longer actively developed, which is disappointing as it works so well. It works best on Android 7.0 and earlier, though it does still work on some Android 8.0 and later devices.

Block with Volume Lock & Mute

The first thing you need to do is download the Volume Lock & Mute app from Google Play, but don’t open it just yet. With this app, you can say goodbye to someone changing your volume settings on your phone.

Set the volume of your phone to where you would like it to stay. Once that is set, open the app and tap the box that says “Lock Volume at Current Level.” There you will also see the “Lock Voice Call Volume” and “Lock Media Volume.”

Besides blocking the ringer volume and the volume for the notifications, it can do much more since the apps can block the volume for the alarm, music, games volume during calls, the volume of the taps on your phone’s display, and the system sounds.

Remember that with Volume Locker, if you change the ringer volume with the button on your phone, the app will give you 30 seconds to apply these changes. If you do not do anything within this time frame, the app will automatically apply the previously programmed settings.

Wrapping Up

With these useful apps, you will no longer have to put up with those annoying situations when you realize that your preferred settings have been changed by either someone you lent your phone to or by you (accidentally, of course). If your phone’s Power button isn’t functioning, learn how you can turn your phone on without the Power button.

Crystal Crowder

Crystal Crowder has spent over 15 years working in the tech industry, first as an IT technician and then as a writer. She works to help teach others how to get the most from their devices, systems, and apps. She stays on top of the latest trends and is always finding solutions to common tech problems.

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By signing up, you agree to our Privacy Policy and European users agree to the data transfer policy. We will not share your data and you can unsubscribe at any time.

How To Block Shows And Movies On Netflix

Do you avoid a particular type of content on Netflix? You might be into rom-coms or like to watch action movies on Netflix. Meanwhile, avoid watching horror movies. Or, you might have a personal vendetta with a particular film that reminds you of an unpleasant time. In such cases, you can hide a specific title on Netflix to avoid seeing it ever on your feed. You can also ensure that your kids stay away from adult movies and protect them from watching unnecessary violence, or vulgarity. So, if you are ready to declutter your Netflix feed, here’s how to block shows on Netflix.

How to Block Shows and Movies on Netflix from Any Device (2024)

Netflix allows you to either block content according to the motion pictures or censor board rating or lets you block a specific title from a profile. The setting is exclusive to every single profile. Therefore, if you want to hide shows on more than one profile, you have to repeat the steps for each one. Meanwhile, when you want to protect your children from obscene content, it’s better to create a “Children profile“; more on that later. Let’s see how you can remove shows from your Netflix feed using the maturity settings and block a particular title.

Change Maturity Ratings to Block Shows on Netflix

Every title available on Netflix is specified under one of the many maturity ratings appointed by Netflix or your country’s local censor board. The movies and shows in the USA follow 11 standards as described below. 


TV-Y7: Suitable for ages seven and up

G: Suitable for General Audiences

TV-G: Suitable for General Audiences

PG: Parental Guidance suggested


PG-13: Parents strongly cautioned. It may be inappropriate for ages 12 and under.

TV-14: Parents strongly cautioned. It may not be suitable for ages 14 and under.


TV-MA: For Mature Audiences. It may not be suitable for ages 17 and under.

NC-17: Inappropriate for ages 17 and under

You can choose from the various maturity levels, and Netflix will block every title falling under a superior maturity rating. For instance, if you set the maturity level for a profile under 12, Netflix will block every title that is not suitable for children below 13. The profile will then show you Netflix shows and movies appropriate for children under thirteen. This method is most appropriate if you have children in your family. You can set the maturity level according to their age. Then, password-protect other profiles to stop your children from entering them. Here is a detailed guide on locking your Netflix profile using PIN lock.

With that out of the way, let’s see how to change a profile’s maturity level on Netflix.

Log in to Netflix using a web browser like Chrome, Firefox, Opera, and choose your profile to enter Netflix.

Hover on the profile picture at the top-right corner and open Account settings.

Enter your profile password for verification to change settings.

A Kids’ profile has a simplified look and feel.

It removes direct access to account settings.

TV shows and movies are carefully selected for children.

It does not feature Netflix Games.

The profile has a logo (KIDS) on the profile icon for easier identification.

You cannot delete viewing history from a Kids’ profile.

Apart from restricting access to unsuitable content for children, a Kids profile on Netflix will give you additional settings and control what your children can watch. It removes any movie and shows that exceed the preferred maturity level. 

How to Block Shows on Netflix Using a Web Browser

You can block specific shows or movies on Netflix that you don’t wish to watch on your profile. It can be a horror movie bringing back unpleasant memories or a romantic film bringing back more unpleasant memories. You can quickly add the title in restricted content, and Netflix will remove it permanently from your profile. You have to remove the content from the Restricted Titles list if you ever wish to see it again. Let’s see how to block a specific show or movie on Netflix from parental controls.

Open Netflix using any web browser like Chrome, Firefox, Edge, Opera, or other and choose your profile and enter Netflix.

Now, hover over your profile icon at the top-right corner and open Account settings.

Scroll down and select the profile for which you want to block the shows.

Now, scroll down and search and select the movie/show name you want to block in the box under the Title restrictions section. 

It can take a while to reflect the changes on other devices. However, you won’t be seeing the restricted titles ever again on your feed. In addition, you won’t be able to find the movie or show even if you search for it. The setting is exclusive to a single profile. Therefore, you have to add the title under the restricted content for each profile to remove it from everywhere.

How to Block Netflix Shows from Windows/Mac App

The Windows app for Netflix is straightforward to use. However, Netflix hasn’t created an application for the Mac platform. Therefore, you need to access Netflix on your Apple computer using a web browser. On that note, let’s see how you can block Netflix shows and movies from the Netflix Windows app.

Open the Netflix app on your computer and choose your profile.

Scroll down and select the profile for which you want to block the shows.

Now, scroll down and search and select the movie/show name you want to block in the box under the Title restrictions section. 

How to Block Netflix Movies and Shows on Android/iOS App

Netflix has an excellent app for Android and iOS. You will find the apps working similarly on all the platforms. Here, we will use an Android device to demonstrate how to remove shows from your Netflix profile using a smartphone. 

Open the Netflix app on your smartphone and enter your profile.

Now, tap on the profile icon on the top-right corner to open the settings menu.

Scroll down and select the profile for which you want to block the shows.

Now, scroll down and search and select the movie/show name you want to block in the box under the Title restrictions section. 

Can I Block Netflix Shows on Smart TV and Roku?

Blocking a specific title requires you to access the Parental and Profile Controls in the Netflix account settings. Unfortunately, Netflix does not allow us to access these settings using streaming devices like Smart TVs, Chromecast, Roku, or Firestick. Accessing the account settings on Netflix requires us to log in using a web browser. Therefore, you can manage the viewing restriction on Netflix only from devices with a web browser.

Frequently Asked Questions Can you remove shows from Netflix?

Yes, you can remove any show or movie from Netflix for your profile by adding the title in the Restricted Titles section. It will permanently hide the content from your profile unless you decide to remove it from the list.

How do I block certain shows on Netflix so kids can’t watch?

What are the different maturity ratings on Netflix?

The lowest setting, “All,” contains shows everyone can watch regardless of age, it usually has content for Kids, and it restricts most of the content on Netflix. The highest setting, “18+,” will show every content on Netflix without restriction.

Every other maturity level keeps filtering out content according to the age. A profile with a maturity level on the lower side of the scale will automatically hide any content that falls under the higher maturity level.

Can I Watch Blocked Shows in a Watch Party?

If you have blocked a Netflix show or movie, you will not be able to access it. So, even if you’re planning on watching Netflix together with your friends and family, the show you have blocked will not be available.

Easily Block Shows on Netflix, or Create Kid-friendly Netflix Profiles

How To Block Spam Calls – A Complete Guide

Spam Calls have turned from mildly annoying to a disaster in the last couple of years. I don’t know about you guys, but I might have received more spam calls last year than the calls from people I know. Just like most smartphone owners on the planet, I have become sick and tired of receiving these spam calls. The worst part is that even though I am really careful about how and where I am sharing my personal number, the number of spammers seem to be increasing with every month. If you are also someone who is struggling with spam calls, then this is the article for you. In this article, we are going to talk about all the steps that you can take to fight against the spam calls. So, here is the complete guide on how to block spam calls on your Android or iPhone device:

A Complete Guide on How to Block Spam Calls (2024)

Since Android and iOS are the two most popular mobile operating systems in the world, we are going to talk about them separately so you guys can take the steps needed to block spam calls on your specific device. That being said, there are universal methods which anyone can use (even if they are using a feature phone, landline, or a phone running any other operating system) to block spam calls on their phones. With that said, let’s see how we can block spam calls, shall we?

Blocking Spam Calls Using Your Own Carrier

Most people don’t know about this but all the network carriers provide some sort of service where they allow you to block spam calls. Here are the spam call blocking services provided by the big four carriers in the US:

1. AT&T: Call Protect

Install: Free (Android / iOS)

2. Verizon Wireless: CallFilter

3. Sprint: Premium Caller ID

Visit: Website ($2.99/month)

4. T-Mobile: Scam ID, Scam Block, and Name ID

T-Mobile probably provides the most powerful scam call protection of all the US carriers. Its scam protection comprises of three services which are Scam ID, Scam Block, and Name ID. Scam ID allows users to see when calls come in from likely scammers while the Scam Block allows them to block all likely scammers. Both these services are available free of charge to all postpaid customers. Name ID is a bit more powerful as it can not only block spam calls but can also identify the caller’s name and location. This is a paid service and costs $4/month. Even if you don’t pay for it, the first two services will effectively block most of the spam calls. Also, all these services are built into T-Mobile’s network so users don’t have to install any additional apps or services.

Apart from the above services, T-mobile has recently launched a new caller verification service which brings an extra layer of spam protection. Now the carrier will verify the calls that you are receiving and will tell you if the calls are from a person or a scammer. That said, it won’t block spam calls automatically. Also, the service has only been released to Note 9 customers in a software update as of now. The company has said that it will be made available to more phones in the near future.

Visit: Website

Complaint to FTC

If your carriers are not able to effectively block spam calls you can also raise a complaint to FTC. While this is not perfect as they don’t have the resources to check on every complaint, if enough people report on spam calls, they do take actions. In the past, FTC has closed down two biggest spam calling companies which shows that consumer’s complaints are heard even if not on an individual case basis.

File a complaint here

Register for Do Not Call Registry

Note: The website is not currently working due to government shutdown in the US. However, it will be up and running once the shutdown is over.

Register here

Block Spam Calls on iPhone

Now that we have seen some of the universal methods people can use to block spam calls, let’s see the device-specific steps you can take to block spam calls. Here are the steps you can take to block spam calls on iPhone:

1. Block Unknown Callers Using Do Not Disturb

“Do Not Disturb” is a powerful tool that comes baked into iPhone allowing users to not only focus on their current work but also block calls they don’t want to receive. My favorite thing about DND is that you can set it up in a way which allows you to block calls from all unknown numbers while allowing calls from people in your contacts to go through. This is a pretty drastic step which some of you might not want to take, however, if you are pretty sure that all important people in your life are added in your contact list, you can definitely take this step. We have already done a complete tutorial on how you can use Do Not Disturb to block calls which you can check out.

2. Block Specific Numbers on iPhone

This is a bit of a manual process, however, if none of the steps you take are blocking spam calls, you can block these number individually. If you don’t know how to block individual numbers on your iPhone just open the phone app and tap the (i) icon next to the number you want to block. Now, tap on the “Block this Caller” option to block calls from that number forever.

3. Set Up Third-Party Apps to Block Spam Calls

You can also use third-party apps to block spam calls on your phone. Many of these third-party apps are pretty powerful and do a really good job at blocking the spam calls. My favorite app and probably the one you should use is called RoboKiller which has even won FTC’s Robocalls Contest. The app claims to stop more than 90% of spam calls that you are receiving and its users have attested to that statement. You will have to pay a subscription fee to keep using this app. If you want something a bit cheaper, you can check out the WideProtect Spam Call Blocker app which just asks for a one time fee. The app is really powerful and has proven itself to be a good call blocking service.

Install: RoboKiller (Free trial, $2.99/month), WideProtect Spam Call Blocker ($2.99)

Block Spam Calls on Android 1. Use Native Call Blocking Service on Your Android Device

Most of the Android devices come with their own native call blocking service and you can use them to block spam calls on your device. The most prominent and recent call blocking service is the new “Call Screening” feature on the new Pixel devices which forwards the call to Google Assistant which a robot cannot bypass. Plus, Google Assistant gives you a handy transcript of what the caller says, after which you can decide whether to answer the call or report it as spam.

Similarly, Samsung offers a “Smart Call” service which can easily identify spam calls and block them. It also gives users the power to report calls as spam so that they are not disturbed by the same spammers in the future. The Smart Call function basically lets users know who’s calling when the number isn’t on their contact list. When it’s spam, users can easily block the call, and then take action by reporting it. It’s a pretty cool feature.

2. Individually Block Spam Calls

Just like on iPhone, Android users can also block individual spam calls if no other service can block it automatically for them. Different manufacturer hides this feature in different places, that said, most of them allow you to block calls by opening the Phone app and then tapping on the (i) button next to a number. It’s easy and you can do it in seconds. It is a bit of labor-intensive, however, in the long run, it will stop almost all the spam calls and you will live a spam call free life.

3. Use Third-Party Apps

There are various third-party apps on the Play Store which allow users to screen and block spam calls. The most popular and reliable of these call blocking services is the Truecaller app which not only blocks spam calls and lets you report it but also identifies any unknown numbers which are not in your contact list. The app is free to download and use and while it also offers in-app purchases, that has nothing to do with spam call blocking and only brings extra features such as call recording, ad removal, and more. So, basically, you can use it for spam protection just as a free app. If you don’t want to use Truecaller for any reason, there are various other Truecaller alternatives that you can check out.

Install: Truecaller (Free, in-app purchases), Should I Answer? (Free, in-app purchases)

Make Your Life Spam Free

How To Find A List Of Block Devices Information

lsblk command is used to display a list of information about all available block devices. However, it does not give a list of information about RAM disks. Examples of block devices are hard disk, flash drives, CD-ROM. This article explains about how to find a list of block devices in Linux Machine.

To install lsblk for Fedora and CentOS ,use the following command –

$ sudo yum install util-linux-ng

To install lsblk for Ubuntu and Linux Mint ,use the following command –

$ sudo apt-get install util-linux -y

To find the default list of all blocks, use the following command –

$ lsblk

The sample output should be like this –

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 931.5G 0 disk ├─sda1                               8:1 0 500M 0 part /boot/efi ├─sda2                               8:2 0 40M 0 part ├─sda3                               8:3 0 128M 0 part ├─sda4                               8:4 0 750M 0 part ├─sda5                               8:5 0 462.1G 0 part ├─sda6                               8:6 0 452.1G 0 part / ├─sda7                               8:7 0 8G 0 part │ └─vol_grp1-logical_vol1 (dm-0)     252:0 0 100M 0 lvm └─sda8                               8:8 0 7.9G 0 part [SWAP] sr0

The clear information about the above result is shown below –

NAME − It indicates the device name.

MAJ:MIN − It gives the major and minor device number information.

RM − This column shows whether the device is removable or not.

SIZE − This gives information on the size of the device.

RO − It indicates whether a device is read-only.

TYPE −This column shows information whether the block device is a disk or a partition(part) within a disk.

MOUNTPOINT − This column indicates mount point on which the device is mounted.

To show a list of all devices including empty devices, use the following command –

$ lsblk -a

The sample output should be like this –

sda 8:0 0 931.5G 0 disk ├─sda1                              8:1   0  500M    0 part /boot/efi ├─sda2                              8:2   0  40M     0 part ├─sda3                              8:3   0  128M    0 part ├─sda4                              8:4   0  750M    0 part ├─sda5                              8:5   0  462.1G  0 part ├─sda6                              8:6   0  452.1G  0 part / ├─sda7                              8:7   0  8G      0 part │ └─vol_grp1-logical_vol1 (dm-0)   252:0  0  100M    0 lvm └─sda8                              8:8   0  7.9G    0 part [SWAP] sr0                                 11:0  1  1024M   0 rom ram0                                1:0   0  64M     0 disk ram1                                1:1   0  64M     0 disk ram2                                1:2   0  64M     0 disk ram3                                1:3   0  64M     0 disk ram4                                1:4   0  64M     0 disk ram5                                1:5   0  64M     0 disk ram6                                1:6   0  64M     0 disk ram7                                1:7   0  64M     0 disk ram8                                1:8   0  64M     0 disk ram9                                1:9   0  64M     0 disk loop0                               7:0   0          0 loop loop1                               7:1   0          0 loop loop2                               7:2   0          0 loop loop3                               7:3   0          0 loop loop4                               7:4   0          0 loop loop5                               7:5   0          0 loop loop6                               7:6   0          0 loop loop7                               7:7   0          0 loop ram10                               1:10  0  64M 0 disk ram11                               1:11  0  64M 0 disk ram12                               1:12  0  64M 0 disk ram13                               1:13  0  64M 0 disk ram14                               1:14  0  64M 0 disk ram15                               1:15  0  64M 0 disk

To display information related to the owner, group and mode of the block device, use the following command –

$ lsblk -m

The sample output should be like this –

NAME                              SIZE     OWNER   GROUP MODE sr0

To find the size of columns in bytes, use the following command –

$ lsblk -b

The sample output should be like this –

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda                               8:0 0 1000204886016 0 disk ├─sda1                           8:1 0 524288000 0 part /boot/efi ├─sda2                          8:2 0 41943040 0 part ├─sda3                            8:3 0 134217728 0 part ├─sda4                            8:4 0 786432000 0 part ├─sda5                            8:5 0 496196648960 0 part ├─sda6                            8:6 0 485453987840 0 part / ├─sda7                            8:7 0 8576000000 0 part │ └─vol_grp1-logical_vol1 (dm-0)  252:0 0 104857600 0 lvm └─sda8                            8:8 0 8489271296 0 part [SWAP] sr0

If you do not want to display slave related information, use the following command –

$ lsblk -d

The sample output should be like this –

NAME   MAJ:MIN   RM   SIZE     RO  TYPE MOUNTPOINT sda    8:0       0     931.5G   0  disk sr0    11:0      1     1024M    0 rom

Congratulations! Now, you know “How to find a list of block devices information ”. We’ll learn more about these types of commands in our next Linux post. Keep reading!

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