Question

Open a terminal:
a) type the command ps –ef | less to view the first few processes running on the system. Which process has the ID of 1?
b) What character do most processes have in the terminal column? What does this indicate?
c) What user started the most of these processes?
d) Which parent process started the most processes?
e) Type ps –el | less. What character is in the state column for most processes? What does this indicate?
f) What range of numbers do you see in the Nice (NI) column?
g) Type ps –el | grep Z. Do you have any zombie processes indicated in the state column?
h) What does the ps- ax command do?
3) Describe what the init daemon does

Answer 1

a)

b) The UID which is root is the most common character for many processes.

c) All the root level processes that needs to active on the system otherwise it will crash are started by the user that is root.

d) bash command started the most number of parent processes. In my case, it is 3000+

f) No column with NI name

g) No

h) This will print all the process running inside your computer

3) It is the main process or parent process you can say. This keeps the system on and if this goes off then every process will eventually get terminated.

ALL THE BEST. THANKS.