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How to Use the xargs Command on Linux

Need to string some Linux commands together, but one of them doesn’t accept piped input? xargs can take the output from one command and send it to another command as parameters.

How to Use the rev Command on Linux

Linux’s rev command reverses strings of text. This command can operate either on provided text or a file, and it seems deceptively simple. But like many command-line utilities, its real power becomes apparent when you combin…

How to Set Up Remote Desktop on Ubuntu

Need to get your hands on a distant Ubuntu Linux computer? Set up Ubuntu’s Screen Sharing and take remote control when you need to. You can connect to Screen Sharing with any VNC client. We’ll show you how….

How to Use the look Command on Linux

The Linux look command races through a file and lists all the lines that begin with a particular word or phrase. But watch out! It behaves differently on different Linux distributions. This tutorial will show you how to use i…

How to Remotely Open a GUI Application With PuTTY

Want to remotely access a Linux machine and launch a graphical application? PuTTY to the rescue, thanks to the “enable X11 forwarding” option. You can even do this from Windows—all you need to do is quickly install an X ser…

How to Back Up Your Linux System

Don’t risk data loss. Back up your valuable data from the Linux command line. We’ll be using the rsync command for this, and we’ve even found some nice optional graphical interfaces for it.

How to Use All Linux’s Search Commands

Linux offers six different ways to search, and each has its merits. We’ll demonstrate how to use find, locate, which, whereis, whatis, and apropos. Each excels at different tasks; here’s how to choose the right tool for the j…

How to Use the Linux type Command

Find out if a command resolves to an alias, a disk file, a shell function, a built-in command, or a reserved word. Use type to discover how your Linux commands are executed and understand your system better….

How to Use the Linux lsof Command

If everything in Linux is a file, there has to be more to it than just files on your hard drive. This tutorial will show you how to use lsof to see all the other devices and processes that are being handled as files….

How to Securely Delete Files on Linux

Shred old data files for the same reason you shred old paper documents. We tell you what you need to know about securely deleting Linux files. This tutorial covers the shred command and the secure-delete suite of utilities….
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