Unix commands - Here we present list of 50+ basic unix or linux commands along with their usage or description that are frequently used while working with files, searching files, sorting files, process management commands, print commands, and more. It serves as unix commands cheat sheet. Who command with example in Unix? who command examples Show or list users logged in. Type the command: Show time of last system boot. Show dead processes on the system. Show system login processes. Count all login names and number of users logged on the system. Display the current runlevel. Display all..