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Linux Commands

Learn to master the Terminal with guides on various Linux commands.

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12 Things That Are Easier to Do in the Linux Command Line

Sometimes it's just faster and easier to use the command line on Linux. Who needs a GUI, anyway?

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How to List Installed Packages on Linux

It's easy to see which packages you have installed on your Linux PC with these commands.

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How to Use pstree to Display Running Linux Processes as a Tree

pstree lets you view running processes on a Linux system in a tree-like format. Here's how you can install and use it on your PC.

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How to Access and Use Command History in Vim

You don't need to retype previously run commands in Vim. Use Vim's command history feature instead.

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How to Run Linux Commands in the Background

Linux command taking too long to finish? Use any of these six methods to send it to the background.

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5 Easy Ways to Check for Open Ports on Linux

Know your network inside out by regularly checking for open ports with these Linux commands.

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How to Quickly Reset a Forgotten Password on Ubuntu

If you've somehow forgotten your Ubuntu password, don't worry, it's easy to log back in to your system by resetting the password.

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How to Fix the?"sudo: command not found" Error on Linux

Sometimes, when you try to run a command as the root user using sudo, you receive a "command not found" error. Here's how to fix it.

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Manage Package Dependencies on Linux Like a Pro With the ldd Command

Learn dependency management using the ldd command to better administer your Linux machine and installed packages.

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which vs. whereis vs. whatis in Linux: What Are the Differences?

The which, whereis, and whatis commands may sound similar to a Linux newcomer, but they are more different than you might think.