Linux Bash Arithmetic Expressions Question:
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Which command puts a script to sleep untill a signal is recieved?
a) sleep
b) suspend
c) disown
d) break

Answer:

b) suspend

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The command 'ulimit'
a) set a limit on specified resource for system users
b) set/show process resource limit
c) both (a) and (b)
d) none of the mentioned		Which command removes a directory from directory stack?
a) dirs
b) popd
c) pushd
d) rm