Linux 1 -- Commands -- Chapter 1 & 2

Match the command to the correct description.

• echo

• display a message

• whoami

• display information about a command

• clear

• display the current logged in user

• history

• erase the terminal

• type

• display previously entered commands

Which of the following is a command built into the shell?

• internal

• external

• current

• present

Which directories do external commands typically reside in? (choose 3)

• /bin

• /usr/bin

• /usr/local/bin

• /etc/passwd

• /home

Which command will provide a list of options for the ls command?

• ls --help

• ls -help

• ls -?

• ls --?

Match the command to the correct description.

• ls

• list of directories

• ls -r

• pwd

• ls -a

• list of directories in reverse order

• current directory

• list of directories with detailed information

• ls -l

• list of diretories including hidden files

Match the command to the correct description.

• rmdir

• moves up one level

• cd -

• deletes an empty directory

• cd . .

• switch between the current and the previous directory

• cd ~

• switch to the home directory of the current user

• mkdir

• creates a directory

Match the command to the correct description.

• rm

• creates an empty file or updates the timestamp on a current file

• touch

• deletes a file

• mv

• moves or renames files or directories

• rm -r

• copies a single file or directory to another location

• cp

• removes a directory and its contents

Displays the content of a file.

• cat

• touch

• ls

• type

Match each part of this path to the correct description.

/home/student/Science

• Science

• directory within the home directory

• /

• represents the root directory

• student

• directory under the root directory

• home

• subdirectory within the student directory

An "absolute" path starts at the highest level of the file system hierarchy.

Choose 2 answers that apply to this statement.

• /

• root

• cat

• ls

• cd -