INT 21 - Novell NetWare - WORKSTATION - END OF JOB
        AH = D6h
        BX = job flag (0000h current job, FFFFh all processes on workstation)
Return: AL = error code
Desc:   unlocks and clears all locked or logged files and records held by the
          process(es), closes all files, resets error and lock modes, and
          releases all network resources
Note:   this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
          Alloy NTNX
SeeAlso: AH=D7h