(Eric replied off-list about the "FreeDOS 1.3 RC4" video, but this is generally interesting to others, so I am replying to the list instead)
> On Mon, Jun 14, 2021 at 4:40 PM Jim Hall <jh...@freedos.org> wrote: > >> > >> Did you know FreeDOS has a YouTube channel? I post a variety of videos > >> there, about using FreeDOS, programming on DOS, running DOS > >> applications, and playing DOS games. > >> (https://www.youtube.com/freedosproject) > >> > >> Folks have asked if I can share highlights from some of the YouTube > >> videos, and I try to post something on the email list every 1 or 2 > >> months: > >>[...] On Mon, Jun 14, 2021 at 5:57 PM Eric Auer <e.a...@jpberlin.de> wrote: > > > hi again! > > https://www.youtube.com/watch?v=76V0EpXY6Eo > > "less" also can be used without pipelines, > as you know, as in "less fdauto.bat" > I think you're referring to 3:58 in the video, right after mentioning that the "pipe" doesn't work the same in DOS as it does on Linux. On Linux, "cat FDAUTO.BAT|more" will execute the "cat" command to display the file to stdout, *and* execute the "more" command to paginate the content from stdin. (If you do a "ps" on your Linux system, you'll see both "cat" and "more" processes.) In DOS, everything runs one at a time. So typing "type FDAUTO.BAT|more" will execute the "type" command and save the output in a temporary file, then COMMAND will execute the "more" command to read from the temporary file. And on the LiveCD, the CD is a write-only filesystem, so Jerome set up a small RAM disk to store the temporary files. So at 3:30 in the video, I show how "type FDAUTO.BAT|more" works on the LiveCD. And then I mention that we include more than just the "MORE" command, we also have the "less" command from Linux. So I repeat the command as "type FDAUTO.BAT|less" to show the "less" command in action. But you're right, I didn't show that you can call "less FDAUTO.BAT" on the command line. I talk about "viewing" the file in EDIT (to further show that the LiveCD is a read-only environment) but not another "less" command. I guess I figured that Linux users probably knew how to run the "less" command. > would be nice if you could present moresys: > > type fdauto.bat >more$ > > ;-) I never remember about MORESYS, so I never remember it's there. Actually, MORESYS isn't loaded by default on FreeDOS 1.3 RC4 anyway, so the command wouldn't work in a "stock" FreeDOS 1.3 RC4. On almost all my YouTube videos, I try to use a "stock" FreeDOS if I can, so it's easier for folks to reproduce what I'm doing. But if I ever do a video about "different ways to view files on FreeDOS" I'll be sure to cover MORESYS. > what are the alternate _move _move _tee and > _choice versions about? what are jemfbhlp, > umbm + cpucache? why himemx + himemx2? why > debug, debugx, debugxg, debugxd + debugxe? > quite a collection of alternate "debug"! > I think you're referring to around 8:03 in the video when you can see the output of DIR in the BIN directory. I hadn't really looked at them before. But I just looked now (as you could have) and _move _more _tee and _choice each seem to be a slightly smaller version of the full commands, also in that directory. For example, "_CHOICE /?" gives a message that indicates it's the same version as CHOICE, also in BIN. At a guess, maybe these are UPX'd versions? Or maybe it's a leftover from some earlier setup to create the RC4 LiveCD. > note the dir size layout bug at 8:20 > You should be more specific. What you're referring to is the long-standing bug where DIR output doesn't force a newline before the summary. For what it's worth, this appears to be fixed in FreeCOM 0.85. > amb should probably give a hint on how > to not quit (at "press esc again"). > > :-) > You're referring to the "PRESS ESC AGAIN TO QUIT" message at about 10:20 in the video. Hitting a different key to "not quit" hasn't bothered me. But if it bothers you, you could enter a bug about it, or mention it to Mateusz (the author/maintainer of AMB). But I am not Mateusz. :-) Jim _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
