Aliases for shortcuts in Linux CLI - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is an alias in the Linux command line?

An alias is a shortcut name that stands for a longer command or a series of commands. It helps you type less and work faster.

beginner

How do you create a temporary alias in Linux?

Use the command: alias name='command'. For example, alias ll='ls -l' creates an alias ll for ls -l.

intermediate

How can you make an alias permanent in Linux?

Add the alias command to your shell's configuration file like ~/.bashrc or ~/.zshrc. This way, the alias loads every time you open a terminal.

beginner

What command shows all current aliases?

Use the command alias with no arguments to list all active aliases in your current shell session.

beginner

How do you remove an alias in the current session?

Use the command unalias name. For example, unalias ll removes the alias named ll.

Which command creates a temporary alias named 'gs' for 'git status'?

A alias gs='git status'

B alias 'git status' = gs

C gs = alias git status

D create alias gs git status

The correct syntax is alias name='command'. So alias gs='git status' creates the alias.

Where should you add alias commands to make them permanent?

A /etc/aliases

B ~/.bashrc or ~/.zshrc

C /usr/bin/aliases

D ~/.aliasfile

Shell config files like ~/.bashrc or ~/.zshrc load aliases every time you open a terminal.

What does the command unalias ll do?

A Lists all aliases

B Creates a new alias named 'll'

C Renames alias 'll'

D Removes the alias named 'll' in the current session

unalias removes an alias from the current shell session.

How can you see all aliases currently active in your shell?

A alias

B show aliases

C list alias

D alias -l

Typing alias with no arguments lists all active aliases.

Why use aliases in the command line?

A To change file permissions

B To delete files faster

C To save typing and speed up commands

D To create new users

Aliases shorten long commands so you can type less and work faster.

Explain how to create, list, and remove aliases in Linux.

Think about the commands alias and unalias.

Describe how to make an alias permanent so it works every time you open a terminal.

Consider shell configuration files.