-
Run top in one terminal while you do the
exercises in another.
-
Run the ps command.
-
Read the man pages to find out how to display all your
processes.
-
Run the command find /. What effect does it have on system load?
Stop this command.
-
In graphical mode, start the xclock
program in the foreground. Then let it run in the background. Stop
the program using the kill command.
-
Run the xcalc directly in the background,
so that the prompt of the issuing terminal is released.
-
What does kill -9
-1 do?
-
Open two terminals or terminal windows again and use write to send a message from one to the other.
-
Issue the dmesg command. What does it
tell?
-
How long does it take to execute ls in
the current directory?
-
Based on process entries in /proc,
owned by your UID, how would you work to find out which processes
these actually represent?
-
How long has your system been running?
-
Which is your current TTY?
-
Name 3 processes that couldn't have had init as an initial parent.
-
Name 3 commands which use SUID mode. Explain why this is so.
-
Name the commands that are generally causing the highest load on
your system.
