1) Abbreviated procedure 2) Cbs is one 3) CBS S 4) Configuration file ext 5) Configuration file extension 6) DOS component 7) Ending for some Windows files 8) GPS pt 9) Lead-in for op 10) Meth 11) MS-DOS pt 12) Networking combiner 13) Op opener 14) Op type 15) Part of CBS 16) Part of DOS or GPS 17) Part of gps Found on https://www.crosswordclues.com/clue/sys
[command] ==Microsoft BASIC== SYS is a command in Microsoft BASIC used to execute a machine language program in memory. The command took the form SYS n where n is a memory location where the executable code starts. Home computer platforms typically publicised dozens of entry points to built-in routines (such as Commodore`s KERNAL) that were... Found on http://en.wikipedia.org/wiki/SYS_(command)