Which command will provide that information?

You have a process called bigscript, and you need to know the PID number for this process.
Which command will provide that information?

A.
pkill bigscript

B.
ps bigscript

C.
pgrep bigscript

D.
prstat bigscript

Explanation:
Pgrep takes a process name and return a PID.
Note: pgrep looks through the currently running processes and lists the process IDs which
matches the selection criteria to stdout. All the criteria have to match. For example,
pgrep -u root sshd
will only list the processes called sshd AND owned by root.
Incorrec answers:
ps bigscript: You cant pass a name to ps, it interprets it as arguments.