My humble opinion would be the following... 1. OS = Operating system i.e. Any part that operate the system 2. Function = a) handle all requests from users / other systems... This implies that any command thrown at it be it MVC or OI, is handled by the Operating system. b) notify users / other systems of its current status... This implies that any part of the system writing SMF records and or send error messages.
So all error handlers on the lowest level should be included. Any program etc that handles requests on the lowest level should be included. What would not be included is the next layer... IDCAMS / DFSMS that intercepts the base error codes and tries its best to send a reasonably understandable error code. The problem comes when the distinction between layer 1 and 2 becomes fuzzy ? Regards Herbie van Dalsen -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Shmuel Metz (Seymour J.) Sent: 28 August 2006 23:49 To: [email protected] Subject: Re: What part of z/OS is the OS? In <[EMAIL PROTECTED]>, on 08/28/2006 at 02:13 PM, Alan Altmark <[EMAIL PROTECTED]> said: >It depends on your definition of of "operating system". The >classical definition is the chunk of software that manages the real >system resources, allocating them to application programs. You don't consider access methods to be part of the operating system? Common services like DAIR and PARSE? For IBSYS/IBJOB and OS/360 IBM considered the entire code base to be an operating system. >That would be, again classically, just BCP: the thing that holds the >SVCs. Not all SVC's are in the BCP, and most of the BCP is not composed of SVC's, at least not for MVS. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see <http://patriot.net/~shmuel/resume/brief.html> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ********************************************************************************************* This email and any attachments are confidential and intended for the sole use of the intended recipient(s).If you receive this email in error please notify [EMAIL PROTECTED] and delete it from your system. Any unauthorized dissemination, retransmission, or copying of this email and any attachments is prohibited. Euroconex does not accept any responsibility for any breach of confidence, which may arise from the use of email. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the Company. This message has been scanned for known computer viruses. ********************************************************************************************* ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
