Linux Professional Institute 101 Cheat Sheet (DRAFT) by Kartibok

bg	sends active process to background
bg %command	sends named process to background
bg %2	sends numbered process to background
command &	sends named process to background
Ctrl+z	Suspends active process
fg %command	sends named process to foreground
fg %2	sends numbered process to foreground

job	an alternate way of listing your own processes
-l	returns names of jobs and their PIDs
-r	returns list of currently running jobs
-s	returns list of stopped jobs

ps	returns PIDs of processes running under your account
a or -a	lists all processes running on a terminal
e	returns details of shell enviro­nment
f	returns output as a tree structure
l or -l	returns more detailed listing of processes
u	returns username and start time form processes
x	lists processes without associated terminal

Ctrl+c	Kills foreground process instantly
-1 or SIGHUP	stops and restarts process
-9 or SIGKILL	kills processes that refuse to terminate
-15 or SIGTERM	kills process but allows it to exit
-18 or SIGCONT	used to continue a suspended process
-19 or SIGSTOP	used to suspend a process
-20 or SIGTSTP	as -19, has same result as Ctrl+z

top	up-to-date details about system resources used by processes
-d	specifies time between refreshes
-i	prevents sleepi­ng/­ina­ctive processes
-n	refreshes output number of times specified
-p	monitors process you specify
-s	runs in secure mode, intera­ctive commands disabled

Newfile	Descri­ption
New Story	New story
Even bigger story	Yippee