Linux Admin Chapter 9 Review

daemon

A system process that is not associated with a terminal is called a _______ process.

fg

After a background process has been started, it can be moved to the foreground by using the ______ command.

0

Processes are started with a nice value of ______ by default.

True

T/F - After a process has been started, you can change its priority by using the renice command.

False

T/F - Can a process have multiple parent processes?

False

T/F - Can the SIGKILL kill signal be trapped by a process?

False

T/F - Does a negative nice value give a process a greater chance of a lower priority?

True

T/F - Each process can start an unlimited number of other processes.

True

T/F - Most commands such as ls, find and grep are binary programs that exist on the filesystem until executed.

False

T/F - The init daemon has a PID of 0.

False

T/F - The killall command uses the PID to kill a process.

False

T/F - The ps command is the only command that can view process information.

sixth

The _____ field in a cron table contains the absolute pathname tot he command to be executed.

SIGHUP

The ______ kill signal stops a process and then restarts it with the same PID.

x

The _______ option to the ps command displays all processes that do not run on terminals.

-e

To create or edit a user cron table, you can use the ______ option to the crontab command.

-e

To display an entire list of processes across all terminals and including daemons, you can add the _______ option to any ps command.

%

When killing a background job with the kill command, you must prefix the background job IDs by a _______.

&

When you append an _______ to a command, the command is run in a background process.