Asked by: Suling Juenglingtechnology and computing databases
What is an alias in Linux?
Last Updated: 8th March, 2020
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Also to know is, what is an alias in Unix?
An alias is a short cut command to alongercommand. Users may type the alias name to run thelongercommand with less typing. Without arguments, aliasprints alist of defined aliases. A new alias isdefined byassigning a string with the command to a name.Alias areoften set in the ~/.bashrc file.
Subsequently, question is, how do I permanently set an alias in Linux? Luckily for us, this is simple to do inthebash-shell.
- Open your .bashrc. Your .bashrc file is located in youruserdirectory.
- Go to the end of the file. In vim, you can accomplish thisjustby hitting “G” (please note that it iscapital).
- Add the alias.
- Write and close the file.
- Install the .bashrc.
Considering this, what is the alias command in Linux?
The alias command makes it possible to launchanycommand or group of commands (inclusive ofanyoptions, arguments and redirection) by entering a pre-setstring(i.e., sequence of characters). The alias command isbuiltinto a number of shells including ash, bash (the default shellonmost Linux systems), csh and ksh.
How do I create an alias?
To create an alias in bash that is set every time youstarta shell:
- Open your ~/.bash_profile file.
- Add a line with the alias—for example, aliaslf='ls-F'
- Save the file.
- Quit the editor. The new alias will be set for the nextshellyou start.
- Open a new Terminal window to check that the alias isset:alias.