Red Hat System Administration I
A process is a running instance of an executable program. Processes are assigned a state, which can be running, sleeping, stopped, or zombie. The
pscommand lists processes.Each terminal has its own session, and can have a foreground process and independent background processes. The
jobscommand displays processes within a terminal session.A signal is a software interrupt that reports events to an executing program. The
kill,pkill, andkillallcommands use signals to control processes.Load average is an estimate of how busy the system is. To display load average values, you can use the
top,uptime, orwcommands.
Lab Controls
Click CREATE to build all of the virtual machines needed for the classroom lab environment. This may take several minutes to complete. Once created the environment can then be stopped and restarted to pause your experience.
If you DELETE your lab, you will remove all of the virtual machines in your classroom and lose all of your progress.