fixes for ulrem,umount,tar,tcsh,ps,vmstat,apropos,pstat,rk

Over the past 2 years several bug fixes for 2.11BSD accumulated, and over xmas break I finally found the time to communicate them to Steven Schultz. Steven was so kind to package them into two new patch files

Together, the patches address the following points

Note: In case you wonder, as I did, why 2.11BSD survived 20 years with a broken unsigned long % operator:

For the full story of all the above consult the header of the patch files.

The patch files are available from moe.2bsd.com and ftp.wx.gd-ais.com. Note, that Steven changed the packaging some time ago, the patches are now packed in bzip'ed tarballs in groups of ten patches. So you'll have to look into

  ftp://moe.2bsd.com/pub/2.11BSD/440-447.tar.bz2
2016-12-11: Remove not longer accessible URL of patch archive.
For original note to 2.11BSD users see posting to cctech@classiccmp.org archived on
2014-10-18
.