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Operating Systems Concepts - Engineering

Q1:

Job Control Language (JCL) statements are used to

A Read the input from the slow-speed card reader to the high-speed magnetic disk

B Specify, to the operating system, the beginning and end of a job in a batch

C Allocate the CPU to a job

D All of the above

E None of the above

ANS:B - Specify, to the operating system, the beginning and end of a job in a batch

Job Control Language is a name for scripting languages used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem.