Tech Articles

List of All Bash Redirections – Linux Cheatsheet 2018

Before a command is executed, its input and output may be redirected using a special notation interpreted by the shell. Redirection allows commands’ file handles to be duplicated, opened, closed, made to refer to different files, and can change the files the command reads from and writes to. Redirection may also be used to modify […]

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List of All Bash Inbuilt Variables – Linux 2018

Bash is the standard shell on most Linux distributions. However, there are other Linux shells available and there’s no requirement that Bash should be present on any particular distribution. The Bash shell is open source software released under the GNU Pubic License (GPL). If you need to install Bash, the C language source code is freely available from the […]

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List of All Bash Environment Variables – Linux 2018

A shell is a program that runs operating system commands. Bash has more than 50 predefined variables.These variables, created when Bash is first started, provide information about the Bash session and can be used to control some of the shell’s features. Some of these variables have special properties that might be lost if you unset the variable […]