comsat:
only send two bell charecters if S_IXGRP is set and S_IXUSR is not.
biff:
add new option 'b' to set S_IXGRP.
PR: 10931
Submitted by: Andrew J. Korty <ajk@purdue.edu>
Approved by: sheldonh (mentor)
MFC after: 1 month
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.