Yow! That's some email address you got there :-)

What commands, specifically, aren't there? Your path(*) should have the
following directories in it:
	/usr/local/bin (if you install your own programs)
	/bin
	/usr/bin
	/sbin
	/usr/sbin
	/usr/X11R6/bin (if you use X)

If the command isn't in there and should be, your installation probably
was corrupted. However, keep in mind that a lot of things that you might
reasonably expect to find on a well-administered UNIX system--like emacs,
trn, and mh--are things that you have to compile yourself.

	~Ben

(*) If you don't know how to set your path, tell me which shell you're using
and I'll explain it.