how can .cshrc know if session is a login?

[Mark A. Heilpern]

In article <31552 at bu-cs.BU.EDU> madd at bu-it.bu.edu (Jim Frost) writes:

  >  if ($?SUBSHELL) then
  >    alias % exit
  >    alias fg exit
  >  else
  >    alias % echo No current job.
-->    alias fg echo No current job.
  >    setenv SUBSHELL "yes"
  >  endif
-->  alias bg echo "Open the pod bay doors HAL.  I can't do that, Dave"

**>Just aliasing "%" and "fg" to "exit" has the annoying habit of logging
  >you out.

Yes, Jim, but by alias-ing fg and bg to 'echo' statements, as in the
arrowed lines, you are removing the ability to get back to any suspended
jobs stopped with the use of control-Z.
(Try it, it works :)

	--M.