On Tue, 6 Sep 2005, Philip Hazel wrote:
> On Tue, 6 Sep 2005, Daniel Tiefnig wrote:
>
> > But that's easy, you can just run "unalias -a" to turn of all aliases.
>
> Do all shells support that? In particular, do all /bin/sh shells support
> that? I'm afraid I'm cautious.
It's a required feature of the POSIX shell, but /bin/sh is not always a
POSIX shell. For example, Solaris still uses the classic Bourne shell for
/bin/sh (complete with BOURNEGOL source) and puts its POSIX shell in
/usr/bin/ksh.
> One would also need unset -f for functions and there doesn't seem to be
> a -a for that.
The best way to clean the environment is env -i.
Tony.
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