Aliases & Shell Productivity – Full Quiz

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This quiz focuses on command shortcuts, history management, and fast navigation techniques.

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Which command creates a shortcut command?

export

set

alias

shortcut

The alias command allows you to define a shortcut or abbreviation for a longer command.

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Which command removes an alias?

alias -d

unalias

delalias

removealias

The unalias command removes a previously defined alias.

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How can you make an alias permanent?

Add it to /etc/profile

Add it to ~/.bashrc

Run it with sudo

Add it to PATH

Adding the alias definition to ~/.bashrc ensures it is loaded in every new shell session.

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Which command allows you to see a list of your previously executed commands?

past

log

history

commands

The history command displays the shell's command history list.

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Which shortcut re-runs the very last command you executed?

!last

!!

!-1

.

!! is a common shortcut to repeat the previous command (often used as sudo !!).

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Which command allows you to return to the previous directory you were in?

cd ..

cd -

cd back

cd ~

cd - switches back to the previous working directory.

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Which keyboard shortcut initiates a reverse search of your command history?

Ctrl + F

Ctrl + S

Ctrl + R

Ctrl + H

Ctrl + R opens the reverse search prompt to find commands in your history.

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