Alias - built - in command for the reduction of commands and command sequences. It is also possible to override the commands and substitution parameters.
Aliases will help you to set short commands to run in terminal. This will be very useful for replacement of long commands, or commands that are used often, such as updating repositories (sudo apt-get update), (sudo apt-get upgrade) and other.
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Owner and main writer of MintGuide.org is not a native English speaker.
Addalias-gui program is open source, written in Python, which allows us to create, delete and manage our aliases for the command line (terminal), through an intuitive graphical interface.
For example, I added one command alias that can be used in the terminal instead of the commands:
Installation into Linux Mint:
cd /tmp && wget https://github.com/isamert/addalias/releases/download/v1.1/python-addalias_1.1-1_all.deb && sudo dpkg -i python-addalias_1.1-1_all.deb source ~/.bashrc