IBM MVS Interview Question:

What is full form of SPOOL?

Submitted by: Administrator

To spool means "to operate (an input/output device) by
using buffers in main and secondary storage. "

Not sure if there is any full form.

If you meant SDSF, it stands for sytem display and search
facility.
Submitted by: Administrator

simultaneous peripheral operation online
Submitted by: Raji M

Simultaneous Peripheral Operations Online (SPOOL)
Submitted by: Nayeem Ahamed

Simultaneous Peripheral Output Online
Submitted by: Abc