I believe what Skip was referring to was the actual TSO TMP, i.e. the TSO address space or TCAS. The TSO READY prompt or an edit session are actually being run in the separate TSO address space that TCAS created on my behalf.
Rex -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Joe Monk Sent: Monday, October 4, 2021 3:13 PM To: [email protected] Subject: [EXTERNAL] Re: PL/I vs. JCL "TSO/E OTOH gives each user her own address space with support directly from the OS. 'TSO' handles only logon/logoff. Like CICS." Oh really? So where does the READY prompt come from before you hop into PDF? And what happens if you type EDIT 'DSNAME'? Whats running the EDIT program? Joe On Mon, Oct 4, 2021 at 1:35 PM Skip Robinson <[email protected]> wrote: > I've never actually encountered 'time sharing' in the flesh, but my > understanding is that it involve(s/d) a single address space that > multiple users logged on to. The monitor (or whatever the top dog was > called) would divvy up resources among users and dispatch them. In > other words, it looked a lot like modern CICS. TSO/E OTOH gives each > user her own address space with support directly from the OS. 'TSO' > handles only logon/logoff. Like CICS. > > On Mon, Oct 4, 2021 at 6:40 AM Bob Bridges <[email protected]> wrote: > > > Just to pick nits, it seems to me that time-sharing is alive and > > well on all mainframes, and especially in TSO. The whole point of > > TSO was that multiple users could be on-line simultaneously, which > > hadn't always been the case. TSO allowed us to log on, and stay on, > > and do foreground work without interfering with each other. And it > > still does, although we now take it for granted. > > > > ...So I have always understood, at any rate. > > > > --- > > Bob Bridges, [email protected], cell 336 382-7313 > > > > /* ...the Rock Bottom Remainders....employ two powerful musical > > weapons when we perform ["Wild Thing"]. One is Roy Blount Jr., a > > great humor writer who has the raw natural musical talent of a > > soldering iron....when we get to the end of the first verse, we > > stop, and everybody turns expectantly to Roy, waiting for him to say > > "I love you," and Roy, > frowning > > with deep concentration, inevitably says: "You move me." And then > > the > rest > > of us, in a smooth professional manner, stagger around and try not > > to wet our pants. -Dave Barry, rock guitarist */ > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <[email protected]> On > > Behalf Of Skip Robinson > > Sent: Sunday, October 3, 2021 12:37 > > > > My favorite basket case is 'TSO', which was in ancient history Time > > Sharing Option. For as long as anyone can remember, TSO has not > > involved 'time sharing' in any meaningful way. Nor is it remotely optional. > Spelling > > out the words contributes nothing to any discussion. > > > > > -- > > Skip Robinson > 323-715-0595 > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send > email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- The information contained in this message is confidential, protected from disclosure and may be legally privileged. If the reader of this message is not the intended recipient or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any disclosure, distribution, copying, or any action taken or action omitted in reliance on it, is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and destroy the material in its entirety, whether in electronic or hard copy format. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
