Linux Commands

chmod 744 

• The first number stands for the user who is associated with the file
• The second number is for the group associated with the file
• The third number is associated with everyone else who is not a part of the user or group
• All of these

Which command shows all the files, including hidden files?

• Is -a
• Is -l
• Is -all
• Is -h

Arrange the commands in the following order: Switch to root, Add user, Remove user, Create a new group.

• sudo deluser [user] -> sudo adduser [user] -> sudo groupadd [group] -> sudo su
• sudo su -> sudo deluser [user] -> sudo adduser [user] -> sudo groupadd [group]
• sudo su -> sudo adduser [user] -> sudo deluser [user] -> sudo groupadd [group]
• sudo groupadd -> [group] sudo su -> sudo deluser [user] -> sudo adduser [user]

What is the command to change file permissions in Linux?

• chown
• chmod
• cmod
• cp

How do you add execute permission for owner and group in a file?

• chmod 110 filename

• chmod 767 filename

• chmod 700 filename

• chmod 666 filename

What is the permission code for read and execute permission for owner, read permission for group, and no permission for others?

• 757
• 777
• 720
• 750

What is the permission code for read, write, and execute permission for owner, no permission for group, and no permission for others?

• 666
• 777
• 700
• 600

How do you remove all permissions for others in a file?

• chmod 770 filename
• chmod 111 filename
• chmod 001 filename
• chmod 707 filename

What is the name of a Linux command used for renaming files and directories?

• mv
• rm
• ls
• rename

Which of the following commands allows for moving one level up in Linux directory tree?

• cd .
• cd ..
• cd /
• cd -