An alias is a (usually short) name that the shell translates into another (usually longer) name or command. Aliases allow you to define new commands by substituting a string for the first token of a simple command. They are typically placed in the ~/. bashrc (bash) or ~/.

How do I find my alias?

There are search engines, such as Whoozy, that let you look up an alias in multiple social networking sites at the same time. Go to Whoozy.com, enter the alias name in the search box, and press the “Search” button. The results web page displays any instance of that alias appearing in Whoozy, Twitter, LinkedIn and more.

How do I save alias in Linux?

Open the Terminal app and then type the following commands:

1. Edit ~/. bash_aliases or ~/. bashrc file using: vi ~/. bash_aliases.
2. Append your bash alias.
3. For example append: alias update=’sudo yum update’
4. Save and close the file.
5. Activate alias by typing: source ~/. bash_aliases.