15 Jul
2016
15 Jul
'16
4:49 a.m.
On 2016-Jul-15 08:36:56 +1000, Dave Horsfall <dave(a)horsfall.org> wrote:
On Thu, 14 Jul 2016, Clem Cole wrote:
> Could you be confusing the fact the true and false were implemented by
> external commands in some early shell's
I was always amused by AT&T adding a multi-kB copyright notice to what
had previously been an empty file.
And on the Mac and FreeBSD, they still are (as well as
being builtins).
FreeBSD provides a convenient list of what commands are (currently) builtin
to the provided shells and available externally:
https://www.freebsd.org/cgi/man.cgi?builtin
--
Peter Jeremy