.bashrc vs .bash_profile
When invoked, Bash reads and executes commands from from a set of startup files. .bash_profile is read and executed when Bash is invoked as an interactive login shell, while .bashrc is executed for interactive non-login shell.
How To Set or Change Timezone on Ubuntu 20.04
This article describes how to set or change the timezone on Ubuntu 20.04 using the command line, or through the GUI.
How to Delete Group in Linux (groupdel Command)
In Linux, groups are used to organize and administer user accounts. This article explains how to remove a group in Linux, using the groupdel command.
At Command in Linux
at is a command-line utility that allows you to schedule commands to be executed at a particular time. Jobs created with at are executed only once.