How to Make/Create Terminal/Command Line Alias on Mac and Linux

The Terminal Command Aliases are Very Useful to Register the Long, Repeated or Complicate Commands.
They are meant to Quick Executing Commands by simply Calling a synthetic Label or Name.
So every time you “call” the Alias Name on a Terminal window your action will Correspond to the Sequence of Commands Linked to the Label.

• The User Aliases are Defined inside the ~/.bashrc, ~/.profile, ~/.bashrc, ~/.shrc, ~/.cshrc.

The System Aliases instead are Define into the /etc/bashrc, /etc/profile, /etc/bash.bashrc Files.

Generally the definition of an Alias can be Resumed with:

$ alias ALIASNAME="COMMAND'S SEQUENCE"

And it execution with:

$ ALIASNAME

will Correspond to execute:

$ COMMAND'S SEQUENCE

Howto Install Firefox Nightly on Linux:

Examples:

1. $ alias htdocs="cd /opt/local/apache2/htdocs"

   So that executing in Terminal our custom “htdocs” command will Correspond to:

   $ cd /opt/local/apache2/htdocs

2)

$ alias mate="/Users/daveall/bin/mate"

So our defined command “mate” will be a shortcut than will bring to open the Textmate application.

How to Set Terminal Command to Run on System Start-Up:

source

How to Create an Application Launcher for Easy-Starting on Linux: