Process Basics
What type of process has finished but still exists in the process table?
Zombie
What command kills a process by PID?
What command runs a task once at a specified time?
at
What symbol starts a process in the background?
&
What command shows all processes and their PIDs?
ps ax
What is a rogue process?
A misbehaving or uncontrolled process
What is pkill used for?
kill processes by name
What daemon is used for repeating scheduled tasks?
cron
How do you bring a background job to the foreground?
fg
What command displays real-time process usage?
top
What type of process runs outside of the terminal?
Daemon
This kill signal send an interrupt signal to a process
SIGINT, 2
What files authorizes users for at and cron?
/etc/at.allow and /etc/cron.allow
What command moves a stopped job to the background?
bg
A nice value of -8 will do what to a process' priority
increase
What command can be used to view rogue processes
top
This is the default kill signal of the kill command
SIGTERM, 9
What command lists a user’s cron jobs?
crontab -l
What command lists background jobs?
jobs
What command can be used to find processes by using regular expressions
pgrep
What is forking
When the parent BASH shell creates a new child BASH shell
When a process receives a kill signal and refuses it. What kill signal must be sent to kill it
SIGKILL, absolute kill signal or 9
What is the crontab format?
min hour dom month dow command
What symbol must be used when deleting a background process
%
What command starts a command with a specific nice value?
nice