Which command must Frank use to determine the process’ task ID?

User Frank is a member of two projects. He currently has a process running. He needs to move
the process from its current project to the other project. Which command must Frank use to
determine the process’ task ID?

A.
projects

B.
prtcl

C.
id

D.
ps

Explanation:
The ps command prints information about active processes.
Without options, ps prints information about processes associated with the controlling terminal. The output contains
only the process ID, terminal identifier, cumulative execution time, and the command name. Otherwise, the information
that is displayed is controlled by the options.