I've been running tcsh on my MacBSD system for more than a year now, 
without any kind of problem.  I _relly_ doubt tcsh had anything to do 
with your filesystem screw-ups.  It sounds more like the crash dump 
overwrote something important...

On Sun, 24 Mar 1996, Ethan Gold wrote:

> has anyone else had tcsh wreck the filesystem?
> I just installed it and vipw'd to make it my default
> shell (not for root) and logged back in. things started
> behaving strangely so thinking I messed up the passwd file
> I logged back in as root and then the after discovering that
> my paths were all wrong it dumped me into the debugger. since
> I'm not familiar with the debugger I hit "c" and let it dump to
> disk. when I tried to reboot the filesystem was really wrecked.
> I had to boot the kernel out of macOS and after several passes
> of fsck I think I'm going to have to suck it up and reinstall 
> several directories. has anybody else had this problem while
> installing something new? the only non base command I ran was
> tcsh. And it was running so smoothly!
> 
> 	-Ethan
> 
> 
>