The _ command can be used to check if a command already exists. 2 years agoby Linux Questions The _ command can be used to check if a command already exists. › Category: Introduction to Linux II › The _ command can be used to check if a command already exists. Vote Up 0 Vote Down Linux Questions Staff asked 2 years ago The ___________ command can be used to check if a command already exists. check type ex command Please login or Register to submit your answer Username or Email Address Password Remember Me FacebookXGoogle+PinterestLinkedIn