Linux Bash Arithmetic Expressions Question:

What is job number?
a) same as PID
b) a unique number, assigned to each job in shell
c) both (a) and (b)
d) none of the mentioned

b) a unique number, assigned to each job in shell

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Which command allows to view the current jobs being handled by the shell? a) jobs b) view c) show d) none of the mentioned	Ctrl-Z key combination: a) generates a SIGINT signal b) stops the process running in the shell c) kills the process running in the shell d) both (a) and (c)