CPS 393 Lecture Notes - Lecture 5: List Of Unix Commands, Background Process, Process State
4 Aug 2016
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Lecture 5: processes of unix, c overview lecture. 3 features of unix: multi-tasking, multi-user, interactive. Processes & job control by default all jobs are run in the foreground foreground means the process has control of terminal (monitor/keyboard) only 1 foreground process allowed possible to have multiple processes running in the background. # while it runs, you are unable to type in unix commands. # but the job is still loaded on the comp (temporarily paused) -- background jobs # displays all the running processes. # resumes process #3 in the background bg %3. # need to bring it to the foreground, and send the current one to the background? fg %3 # brings process 3 to the foreground. # & starts a new instance of a job in the background long_job & # # [4] 2976
