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How to List Users in Linux

Linux is a multiuser operating system, so creating numerous user accounts is easy. Over time, it’s easy to lose track of which accounts are required. Listing user accounts helps you manage them.

How to Use the sar Command on Linux

The sar command lets you see performance statistics for different elements of your Linux computer, for both real-time and historical data. We show you how to use this great resource.

How to Use the pmap Command on Linux

Finding out how much RAM a Linux process uses isn’t a simple matter—especially when shared memory needs to be considered. Thankfully, the pmap command helps you make sense of it all.

How to Use the chattr Command on Linux

Along with the usual read, write, and execute file permissions, Linux files have another set of attributes that control other characteristics of the file. Here’s how to see them and change them.

How to Use the Linux cut Command

The Linux cut command lets you extract portions of text from files or data streams. It’s especially useful for working with delimited data, such as CSV files. Here’s what you need to know.

How to Use the find Command in Linux

The Linux find command is great at searching for files and directories. But you can also pass the results of the search to other programs for further processing. We show you how.
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