SCO Unix, Xenix and ODT General FAQ
This article is from a FAQ concerning SCO operating
systems. While some of the information may be applicable to any OS,
or any Unix or Linux OS, it may be specific to SCO Xenix, Open
There is lots of Linux, Mac OS X and general Unix info elsewhere on
this site: Search this site is the best
way to find anything.
This is an ancient post with no relevance to modern systems.
Ordinarily installing the patches without rebooting will cause
However, at the very least you should do a btmnt -w and make an
extra copy of unix.old at each relinking step. If everything goes
well, you can come back and remove the extra kernels later.
The problem is that every patch that relinks copies the existing
/stand/unix to /stand/unix.old, overwriting unix.old. Since you
never tried that unix, it could be bad, and now you'd have no good
unix.old to fall back on.
So, extra copies of a known working unix are good. You could
just make one (unix.good) but then you wouldn't know at which step
you had a problem if it did fail.
- (install that relinks)
- btmnt -w
- cp /stand/unix.old /stand/unix.old1
- btmnt -d:
- (repeat to .old2 .old3 etc.)
Note you need to copy these to /stand- it will do you no good to
copy to any other filesystem.
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