>Yes there are some non .Z directories
Do you see cat or ls in those directories?
ll /usr/share/man/*/cat.* /usr/share/man/*/ls.*
(They should be in the man1.Z directory.)
If you do, you should remove them, then man will consistently fail. ;-)
See File Search Conventions in:
http://docs.hp.com/en/B2355-60130/man.1.htmlDoes tusc work on some simple command?
tusc -fp id
What does "uname -a" show?