On Fri, 21 Nov 1997 17:09:30 -0800,
hotz@jpl.nasa.gov (Henry B. Hotz) wrote:
>
> csh (and tcsh I presume) implement a bunch of frequently-used commands like
> ls, rm, cd, etc. directly for improved performance.  Once in a while this
> can cause confusion since the built-in version may not always have the same
> default behavior as the versions in /bin (or /usr/bin, whatever).

This is strictly a nit picking ;-)

There is no cd or setenv in /bin or /usr/bin.  They have to be
internal shell commands.

Ken