Linux Command Line Quiz

Which of the following commands is used to show the contents of a text file?

• Is -I

• view

• display

• open

• cat

Which command reveals all files in a directory, including hidden ones?

• Is

• Is -a

• Is -h

• Is-I

• dir-h

What command would you use to create a new user on a Linux system?

• adduser username

• createuser username

• mkuser username

• useradd username

• newuser username

What type of data is typically stored in the /var directory?

• Stores user home directories

• Holds system configuration files

• Stores executable system commands

• Contains system logs and variable data

• Contains bootloader files

Which command is used to identify the largest files in a directory?

• du -ah | sort-rh | head -n 10

• find. -size +100M

• all of the above

• none of the above

• Is -IhS | head -n 10

How can a script be run in the background?

• ./script.sh &

• nohup script.sh

• screen script.sh

• all of the above

• none of the above

Which command will print the absolute path of your current directory?

• where

• dirname

• which

• pwd

• Is -I

What effect does the command chmod 755 file have on a file?

• Grants read-only access to all users

• Hides the file

• Grants full access to all users

• Grants full permissions to the owner, read and execute to others

• Removes execute permissions

How can you list all groups that a specific user is part of?

• cat /etc/group | grep username

• groups username

• id -Gn username

• none of the above

• all of the above

Which command allows you to search for a word within a file?

• search "word" filename

• grep "word" filename

• scan "word" filename

• find "word" filename

• locate "word" filename