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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 ~/.
Where is alias in Unix?
A new alias is defined by assigning a string with the command to a name. Alias are often set in the ~/. bashrc file.
How do I permanently store my alias?
Steps to create a permanent Bash alias:
- Edit ~/. bash_aliases or ~/. bashrc file using: vi ~/. bash_aliases.
- Append your bash alias.
- For example append: alias update=’sudo yum update’
- Save and close the file.
- Activate alias by typing: source ~/. bash_aliases.
