t

• tabs - set terminal tabs
• tail - deliver the last part of a file
• talk - talk to another user
• tar - file archiver
• tee - join pipes and make copies of input
• test - evaluate expression
• time - time a simple command
• times - write process times
• touch - change file access and modification times
• tput - change terminal characteristics
• tr - translate characters
• trap - trap signals
• true - return true value
• tsort - topological sort
• tty - output path name of current terminal
• type - write a description of command type
• typeset - set attributes for variables