Alias command is normally used for shortening or chain terminal commands with each other. These commands include many shells that are ash, bash, csh, and ksh. The purpose is to use these commands is read and execute commands.
A function is a group of statements that are used to perform a specifics task. In other words, we can say that a function will take values that are passed by the user and somehow manipulate those values for executing commands and function parameters are known as positional parameters.
