[8510] in Athena Bugs
[daemon@ATHENA.MIT.EDU : rsaix 7.3R: rs6000]
daemon@ATHENA.MIT.EDU (Calvin Clark)
Wed Oct 30 13:07:42 1991
Date: Wed, 30 Oct 91 13:07:27 -0500
From: Calvin Clark <ckclark@Athena.MIT.EDU>
To: nebosite@Athena.MIT.EDU
Cc: bugs@Athena.MIT.EDU, olc-stock@Athena.MIT.EDU
Reply-To: ckclark@mit.edu
In-Reply-To: [8509]
>What were you trying to do?
> access previous commands/ edit command lines. (set lineedit
> command had been activated.
>What's wrong:
> Arrow keys print garbage instead of responding normally
The csh installed as /bin/csh on the RS/6000 does not support line
editing. There is a version of tcsh available on Athena which supports
line editing and works on all of the Athena platforms, including the
RS/6000. It is available in /afs/sipb/project/tcsh/tcsh. To try out
this shell, simply start it up from a currently running shell:
athena% /afs/sipb/project/tcsh/tcsh <RETURN>
There are some differences between the Athena csh and this version. For
more information, read the man page by typing:
athena% man -M /afs/sipb/project/tcsh/man tcsh
To use this shell as your default shell, you can run the command `chsh'.
Type `man chsh' for more information. When it prompt you for a new
shell, type the full path:
Current shell for user is /bin/csh.
New Shell: /afs/sipb/project/tcsh/tcsh
The change will take effect in a day or so.
WARNING: Always be very careful when changing your shell with `chsh'.
If you make an error, you may not be able to log in!
If you only want to use it with the RS/6000, then you can put something
like this in your .environment file:
if ("$hosttype" == "rsaix") then
setenv SHELL /afs/sipb/project/tcsh/tcsh
endif
By doing this, you will only get the Cornell 6.00 tcsh when you log in
to an RS/6000, and you will get the regular Athena tcsh on other
machines. Note that this will only work of X window sessions; if you
connect to an RS/6000 via rlogin or telnet, for example, you will get
the shell which is listed in your entry in /etc/passwd, which can be
changed by using `chsh' as described earlier. However, the change to
.enviroment is less dangerous than using `chsh', because you can always
undo it immediately by selecting `Ignore your customizations' from the
`Login Options' menu in the xlogin window.
If you find a problem with this shell which is not described as its
intended behavior in the man page, send a description of the problem to
bug-tcsh6@athena (NOT to bugs@athena.)
-Calvin
P.S. to olc-stock: I normally would not forward an answer to olc-stock,
but this question is asked frequently enough that a stock answer is in
order. Please feel free to take portions of the text of this reply, and
tell me you find any errors.
