INT 17 U - PC-MOS/386 v5.01 - PRINT SPOOLER - CLOSE SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. FILE AH = FFh BX = 0000h CX = 0000h DX = printer port number Return: AH = printer status (see #00631 at AH=00h) Program: PC-MOS/386 v5.01 is a multitasking, multiuser MS-DOS 5.0-compatible operating system by The Software Link, Inc. Desc: close the spool file immediately instead of waiting for the close time to elapse SeeAlso: AH=01h,AH=03h"PC-MOS"