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 the echo 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.