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linux:alias:create:permanent
This command creates a new alias in the Bash shell and saves it to the user's bash profile.
Here's how it works:
-
echo
is a command that displays a message on the terminal. In this case, it will write a command to create an alias to the terminal. -
alias
is a command that defines a new alias in the Bash shell. Aliases are shortcuts for longer commands. -
${alias_name}
and${alias_command}
are variables that will be replaced by the user with the desired name and command for the new alias. -
The
>>
operator appends the output of theecho
command to the end of the~/.bash_profile
file, which is the user's Bash profile. This will ensure that the new alias is saved and available each time the user starts a new Bash session.
For example, if a user wants to create an alias for the long command ls -la
, they could use the following command:
echo 'alias ll="ls -la"' >> ~/.bash_profile
This will add a new alias to the user's bash profile that allows them to use the shorthand ll
instead of typing out the longer command each time.