Boot from the diskset in the usual way and log in as root.

Display kernel messages by piping the output of dmesg to more.

bash# dmesg | more

Examine the local_fs script by using more with a command-line argument.

bash# more /etc/init.d/local_fs

Display processes for the user currently logged in.

bash# ps

Display all available information about all running processes.

bash# ps -ef

Use sed to display an alternate version of /etc/passwd.

bash# sed -e "s/Legacy/Old School/" /etc/passwd

Verify that sed did not make the changes permanent.

bash# cat /etc/passwd

Use ed to change properties on the "daemon" user.

bash# ed -p*
ed* r /etc/passwd
ed* %p
ed* /daemon/s/Legacy/Old School/
ed* %p
ed* w
ed* q

Verify that the changes are permanent (at least until the system is restarted.)

bash# cat /etc/passwd

Bring the system down gracefully with the shutdown command.