a$.$jobs

b$.$top

c$.$fg

d$.$ps aux

$5.$ To return command work in background:

a$.Ctr+Z\%$job#

b$.fg\%$job#

c$.$ bg $\%$ job#

d$.$ & in last of command

$6.$ Which of the following is true about PPID

a$.$ has $1$ PID

b$.$ can be renice

c$.$ parent for all process

d$.$ none

$7.$ find $\frac{?}{?}-$name $\text{'}*\text{'}$ will

a$.$ List all files and directories recursively starting from $/$

b$.$ List a file named $*$ in$/$

c$.$ List all files in $/$ directory

d$.$ Return all files system inside $/$

$8.$ the name of package in DHC$.$P server

a$.$dhep

b$.$dhepd

c$.$kdhcp

d$.$none