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How to use the tee command: 2-Minute Linux Tips

In this Linux tip, learn how to use the tee command. It’s a very simple command that allows you to run some other command and send its output both to the screen and to a file at the same time.

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How to use the who command: 2-Minute Linux Tips

In this Linux tip, learn how to use the who command. It will show you details regarding who is logged in and about the system.

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How to use the expr command: 2-Minute Linux Tips

Learn the expr command. It allows you to do mathematical calculations on the command line.

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How to use the ac command: 2-Minute Linux Tips

Learn how to use the ac command. It reports on user login times, so if you’re interested in knowing how much time various users are spending on a Linux server, this command is a good choice.

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How to use the sudo command: 2-Minute Linux Tips

Learn how to use the sudo command. It’s a very important command for Linux security because it provides a way for individual users to run specific commands with the authority of root.

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How to use the env command: 2-Minute Linux Tips

Learn how to use the env command. The most useful thing it does is to provide information on your shell environment when you’re working on the Linux command line.

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How to use the touch command: 2-Minute Linux Tips

In this Linux tip, learn how to use the touch command. It allows you to create an empty file or update a file’s last updated date/time settings.

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How to use the wc command: 2-Minute Linux Tips

Learn the wc command. It provides an easy way to count the lines, words and characters in a file or in output from some other command.

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How to use the groups command: 2-Minute Linux Tips

Learn how to use the groups command. It provides a list of the groups that a user is a member of by pulling information from the /etc/group and /etc/passwd files.

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How to use the setfactl and getfactl commands: 2-Minute Linux Tips

In this Linux tip, learn how to use the setfacl and getfacl commands. They allow you to establish and report on file permissions that reach beyond the traditional read, write and execute permissions on Linux systems.

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How to use the rev command: 2-Minute Linux Tips

In this Linux tip, learn the command that reverses text – the rev (reverse) command. At first glance, this command may not seem helpful. But, there are times that it can be quite useful.

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How basic file permissions work: 2-Minute Linux Tips

In this Linux Tip, learn how to read and understand basic file permissions. Once you understand file permissions, you can analyze and reassign them.

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How to use the awk command: 2-Minute Linux Tips

In this Linux Tip, learn how to use the awk command. You can use it to select one or more pieces of text from lines of input.

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How to use the stat command: 2-Minute Linux Tips

In this Linux tip, Sandra will show you how to use the stat command. It provides a lot of the same information as ls -l, but in a very different format. It also includes some useful additional information.

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How to use /dev/null: 2-Minute Linux Tips

In this Linux tip, learn how to use the /dev/null tool. You can send your outputs to /dev/null and it simply disappears. This is helpful when a command’s output isn’t interesting and you don't need to see it.

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How to use the nslookup command: 2-Minute Linux Tip

In this Linux tip, learn how to use the nslookup command. This command provides information on naming services and demonstrates how your system looks up hostnames prior to connecting to them.

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How to use the last command: 2-Minute Linux Tip

In this episode of 2-Minute Linux Tips, Sandra demonstrates the last command. It that shows recent logins – such as the last time you logged in but with the logins in reverse order.

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How to use the bc command: 2-Minute Linux Tip

In this Linux tip, learn how to use the bc command – it’s a command line calculator. You can use this command to easily solve equations.

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