Joerg Schilling <schily(a)schily.net> wrote:
The colon was introduced by AT&T around 1983.
It's a builtin in the v7 Bourne shell - see SYSNULL in msg.c (which
has the command name table) and in xec.c (which has the implementation)
You are missinterpeting things.
The colon in line one as a hint to a modified csh to call the Bourne Shell
first appeared around 1983.
Jörg
--
EMail:joerg@schily.net (home) Jörg Schilling D-13353 Berlin
joerg.schilling(a)fokus.fraunhofer.de (work) Blog: