is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

Linux might sound scary for first-time Linux users, but actually, it isn’t. Linux is a bunch of open-source Unix operating systems based on Linux Kernel. These operating systems are called Linux ...

I used to be terrified of using the terminal, but as a Linux user, it's something you get accustomed to fairly quickly, and it's extremely helpful to know your way around. So, if you're new to Linux, ...

There are a lot of ways on Linux to make repeating commands easier than retyping them, and here's a nice collection of them. Life on the command line on Linux is clearly something most of us enjoy, ...

Of all the Linux commands, rm is notorious. It's easy to completely wipe out your system with one mislaid rm command as root.

The which command is the simplest of the three. When you use it to ask about a Linux command, it will run down your search path looking for executable files by the name you specify. These can be ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When you run your own executable command or shell script on Linux, you must prepend ./ to the ...

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.

The Terminal app in macOS keeps track of recent commands you've used so you can reuse them at a later time. Here's how to clear Terminal's command history. When you type commands and press return in ...