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

In this episode of 2-Minute Linux Tips, learn the lsblk command. It provides information on block devices -- such as hard disks where you read and write one block of data at a time.

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

Learn how to use the chown command. It changes a file’s owner or both owner and group.

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

Learn how to use the chmod command – the command for changing permissions on files. The only tricky part is understanding that there are two ways to represent file permissions.

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How to run command loops: Linux Tip

Being able to run command loops is one of the features of Linux that makes it easy to automate repetitive tasks. In this 2-minute Linux tip, learn about looping -- in scripts and on the command line.

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How to use the nmcli command: Linux Tip

Nmcli is a command-line tool for controlling NetworkManager and getting the status of network interfaces. Learn about using the command on this episode of 2-Minute Linux Tips.

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