Ctrl-Z

Ctrl-Z

• suspends a foreground process to background (note that other Oses may use this as end-of-file on stdin, but we use ^D for that purpose)
• Don't use ^Z to terminate a process!

jobs [%jobid]

• lists all background or suspended processes

bg %jobid

• Resume the suspended process %jobid in the background as if an & had been used to start it

fg %jobid

• moves process %jobid to the foreground

command1 options &

• runs command as background process