Some Useful Bash Aliases and How to Create Bash Aliases

Creating Bash Aliases An alias declaration starts with the alias keyword followed by the alias name, an equal sign and the command you want to run when you type the alias. The command needs to be enclosed in quotes and with no spacing around the equal sign. Each alias needs to be declared on a new line.

1. How do I create an alias in bash?
2. How do I use Bashrc aliases?
3. Is there a command that will give me a list of aliases?
4. How do you create alias name for a file in Linux?
5. What is a bash alias?
6. How do you use an alias name?
7. Where do I put bash aliases?
8. Should I use Bashrc or Bash_profile?
9. How do I run an alias command in Linux?
10. Where are my aliases stored?
11. How do I run an alias in shell script?
12. How do I find out where alias is defined?

How do I create an alias in bash?

To create an alias in bash that is set every time you start a shell:

1. Open your ~/. bash_profile file.
2. Add a line with the alias—for example, alias lf='ls -F'
3. Save the file.
4. Quit the editor. The new alias will be set for the next shell you start.
5. Open a new Terminal window to check that the alias is set: alias.

How do I use Bashrc aliases?

The most used ways are:

1. Add aliases directly in your ~/.bashrc file. For example: append these line to ~/.bashrc file alias ll='ls -l' alias rm='rm -i' ...
2. The second method lets you make a separate aliases file, so you won't have to put them in .bashrc , but to a file of your choice.

Is there a command that will give me a list of aliases?

To see a list of aliases set up on your linux box, just type alias at the prompt. You can see there are a few already set up on a default Redhat 9 installation. To remove an alias, use the unalias command.

How do you create alias name for a file in Linux?

As you can see, the Linux alias syntax is very easy:

1. Start with the alias command.
2. Then type the name of the alias you want to create.
3. Then an = sign, with no spaces on either side of the =
4. Then type the command (or commands) you want your alias to execute when it is run.

What is a bash alias?

A Bash alias is a method of supplementing or overriding Bash commands with new ones. Bash aliases make it easy for users to customize their experience in a POSIX terminal. They are often defined in $HOME/. bashrc or $HOME/bash_aliases (which must be loaded by $HOME/. bashrc).

How do you use an alias name?

You can rename a table or a column temporarily by giving another name known as Alias. The use of table aliases is to rename a table in a specific SQL statement. The renaming is a temporary change and the actual table name does not change in the database.

Where do I put bash aliases?

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 ~/. tcshrc (tcsh) startup files so that they are available to interactive subshells.

Should I use Bashrc or Bash_profile?

bashrc is sourced on every start in interactive mode when bash(1) does not act as a login shell. . bash_profile is only sourced when bash(1) is started as an interactive login shell, or as a non-interactive shell with the --login option. ... bash_profile is great for commands that should run only once and .

How do I run an alias command in Linux?

What you need to do is type the word alias then use the name you wish to use to execute a command followed by "=" sign and quote the command you wish to alias. You can then use "wr" shortcut to go to the webroot directory. The problem with that alias is that it will only be available for your current terminal session.

Where are my aliases stored?

It's ussually in a file in your home directory, such as . aliases or something. to find most aliases. In /etc/default, /etc/environment, depending on your distribution (I read: ubuntu)/version there might be more in other /etc/ -subdirs.

How do I run an alias in shell script?

10 Answers

1. In your shell script use the full path rather then an alias.
2. In your shell script, set a variable, different syntax petsc='/home/your_user/petsc-3.2-p6/petsc-arch/bin/mpiexec' $petsc myexecutable.
3. Use a function in your script. ...
4. Source your aliases shopt -s expand_aliases source /home/your_user/.bashrc.

How do I find out where alias is defined?

The only reliable way of finding where the alias could have been defined is by analyzing the list of files opened by bash using dtruss. $ csrutil status System Integrity Protection status: enabled. you won't be able to open bash and you may need a copy.