ion ID 2336 2 years agoby Linux Questions ion ID 2336 › Category: Introduction to Linux I › ion ID 2336 Vote Up 0 Vote Down Linux Questions Staff asked 2 years ago ion ID 2336 Shell variables are used to: Hold critical system information Hide passwords Prevent users from logging in Reboot the system Please login or Register to submit your answer Username or Email Address Password Remember Me FacebookXGoogle+PinterestLinkedIn