Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

This select set of Linux commands can help you master the command line and speed up your use of the operating system. When coming up to speed as a Linux user, it helps to have a cheat sheet that can ...

Learn how to use Bash aliases to shorten commands, reduce errors, speed up tasks, and improve your productivity in the Terminal.

This command will create multiple split files, each containing 4 lines . Verbose Mode and Customizing Suffix When using the split command, you can enable the verbose mode to receive a diagnostic ...

The trap statement in bash causes your script to execute one or more commands when a signal is received. One of the useful things you can use this for is to clean up temporary files when your script ...

The way the Linux file system is laid out makes perfect sense. I've been using Linux for so many years that I can't imagine another file system making more sense. When I consider how the Windows file ...