A Bash alias allows the user to launch any command or group of commands (including options and filenames) by entering a single word.
Aliases are very convenient to use for frequently used commands.
An alias c is created against clear command.
alias c='clear'`
Instead of needing to type the word clear to clear the screen, the letter c can now be used instead (with the [ENTER] key).
c
Privileged access specific aliases