263 lines
11 KiB
Plaintext
263 lines
11 KiB
Plaintext
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[Home] FAQ
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Home | RecentChanges | Preferences
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_________________________________________________________________
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This is for people who do not read the manual!
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So far people who don't read manuals don't read this either... I may
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call it README.*PLEASE* in the future, but then the same people won't
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be able to get ftp it... :-)
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_________________________________________________________________
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1. Why is the meta key broken in tcsh-5.20 and up?
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On some machines the tty is not set up to pass 8 bit characters by
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default. Tcsh 5.19 used to try to determine if pass8 should be set by
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looking at the terminal's meta key. Unfortunately there is no good way
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of determining if the terminal can really pass 8 characters or not.
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Consider if you are logged in through a modem line with 7 bits and
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parity and your terminal has a meta key. Then tcsh 5.19 would set
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wrongly set pass8.
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If you did like the previous behavior you can add in /etc/csh.login,
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or in .login:
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if ( $?tcsh && $?prompt ) then
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if ( "`echotc meta`" == "yes" ) then
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stty pass8
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endif
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endif
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If you don't have pass8, maybe one of these would work..
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stty -parity -evenp -oddp cs8 -istrip (rs6000)
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stty -parenb -istrip cs8
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Finally, tcsh will bind all printable meta characters to the self
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insert command. If you don't want that to happen (i.e. use the
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printable meta characters for commands) setenv NOREBIND.
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_________________________________________________________________
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2. I ran 'dbxtool &' and 'shelltool &' from tcsh, and they end up in
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cbreak and no echo mode?
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These programs are broken. Background jobs should not try to look at
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the tty. What happens is that dbxtool looks in stderr to inherit the
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tty setups, but tcsh sets up the tty in cbreak and -echo modes, so
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that it can do line editing. This cannot be fixed because tcsh cannot
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give away the tty. Pick one of the following as a workaround:
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dbxtool < /dev/null >& /dev/null &
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/usr/etc/setsid dbxtool &
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If that does not work, for dbxtool at least you can add "sh stty sane"
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in your .dbxinit
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_________________________________________________________________
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3. I tried to compile tcsh and it cannot find <locale.h>?
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Your system does not support NLS. Undefine NLS in config_f.h and it
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should work fine.
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_________________________________________________________________
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4. Where can I get csh sources?
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Csh sources are now available with the 4.4BSD networking
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distributions. You don't need csh sources to compile tcsh-6.0x.
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_________________________________________________________________
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5. I just made tcsh my login shell, and I cannot ftp any more?
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Newer versions of the ftp daemon check for the validity of the user's
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shell before they allow logins. The list of valid login shells is
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either hardcoded or it is usually in a file called /etc/shells. If it
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is hard-coded, then you are out of luck and your best bet is to get a
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newer version of ftpd. Otherwise add tcsh to the list of shells. [For
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AIX this file is called /etc/security/login.cfg.] Remember that the
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full path is required. If there is no /etc/shells, and you are
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creating one, remember to add /bin/csh, /bin/sh, and any other valid
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shells for your system, so that other people can ftp too :-)
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_________________________________________________________________
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6. I am using SunView? or OpenWindows? and editing is screwed up. In
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particular my arrow keys and backspace don't work right. What am I
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doing wrong?
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Well, cmdtool tries to do its own command line editing and the effect
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you get is one of using an editor inside an editor. Both try to
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interpret the arrow key sequences and cmdtool wins since it gets them
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first. The solutions are in my order of preference:
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1. Don't use suntools
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2. Use shelltool instead of cmdtool.
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3. Unset edit in tcsh.
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6b. On a SPARCstation running Solaris 2.x and OpenWindows? 3.1, inside
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a cmdtool, the short-cut key sequence to clear log (i.e. Meta-e or
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Diamond-e) doesn't work: it just echos 'e'
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6c. On a SPARCstation running Solaris 2.x and OpenWindows? 3.1,
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maketool (within SPARCworks) doesn't work: it just does a `cd' to the
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working directory then stops.
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The workaround for 6b and 6c is doing "unset edit." Using shelltool
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instead of cmdtool doesn't fix 6c.
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_________________________________________________________________
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7. I rlogin to another machine, and then no matter what I tell 'stty'
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I cannot get it to pass 8 bit characters?
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Maybe you need to use 'rlogin -8' to tell rlogin to pass 8 bit
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characters.
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_________________________________________________________________
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8. Where do I get the public domain directory library?
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Anonymous ftp to prep.ai.mit.edu:/pub/gnu/dirent.tar.Z
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_________________________________________________________________
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9. I compiled tcsh using gcc, and when I start up it says: tcsh:
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Warning no access to tty (Invalid Argument). Thus no job control in
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this shell
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Your <sys/ioctl.h> file is not ansi compliant. You have one of 3
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choices:
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1. Run fixincludes from the gcc distribution.
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2. Add -traditional to the gcc flags.
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3. Compile with cc.
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_________________________________________________________________
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10. I compiled tcsh with the SunOS? unbundled compiler and now things
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get echo'ed twice.
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It is a bug in the unbundled optimizer. Lower the optimization level.
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_________________________________________________________________
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11. How can I use the arrow keys with hpterm?
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Hp terminals use the arrow keys internally. You can tell hpterm not to
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do that, by sending it the termcap sequence smkx. Since this has to be
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done all the time, the easiest thing is to put it as an alias for
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precmd, or inside the prompt:
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if ($term == "hp") then
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set prompt="%{`echotc smkx`%}$prompt"
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endif
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Note that by doing that you cannot use pgup and pgdn to scroll... Also
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if you are using termcap, replace "smkx" with "ks"...
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_________________________________________________________________
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12. On POSIX machines ^C and ^Z will do not work when tcsh is a login
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shell?
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Make sure that the interrupt character is set to ^C and suspend is set
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to ^Z; 'stty -a' will show you the current stty settings; 'stty intr
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^C susp ^Z' will set them to ^C and ^Z respectively.
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_________________________________________________________________
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13. I am trying to compile tcsh and I am getting compile errors that
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look like:
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>sh.c:???: `STR???' undeclared, outside of functions [gcc]
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>"sh.c", line ???: STR??? undefined [cc]
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You interrupted make, while it was making the automatically generated
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headers. Type 'make clean; make'
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_________________________________________________________________
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14. On the cray, sometimes the CR/LF mapping gets screwed up.
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You are probably logged in to the cray via telnet. Cray's telnetd
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implements line mode selection the telnet client you are using does
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not implement telnet line mode. This cause the Cray's telnetd to try
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to use KLUDGELINEMODE. You can turn off telnet line mode from the cray
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side by doing a "stty -extproc", or you can get the Cray AIC to build
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a telnetd without KLUDGELINEMODE, or you can compile a new telnet
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client (from the BSD net2 tape), or at least on the suns use: 'mode
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character'.
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_________________________________________________________________
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15. On AU/X, I made tcsh my startup shell, but the mac desktop is not
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starting up (no X11 or Finder), and I only get console emulation.
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This is another manifestation of item 5. Just add the pathname to tcsh
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in /etc/shells and everything should work fine.
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_________________________________________________________________
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16. On machines that use YP (NIS) tilde expansion might end up in
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/dev/null
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If this happens complain to your vendor, to get a new version of NIS.
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You can fix that in tcsh by defining YPBUGS in config.h
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_________________________________________________________________
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17. Script on SGI 4.0.5 does not give us a tty, so we cannot have job
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control.
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Their csh does not have job control either. Try:
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% script
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% cat > /dev/tty
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_________________________________________________________________
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18. I start tcsh and it takes a couple of minutes to get the prompt.
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You have defined REMOTEHOST and your DNS is not responding. Either
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undefine REMOTEHOST and recompile or fix your DNS.
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_________________________________________________________________
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19. If you need help generating your .cshrc file, check out:
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http://www.imada.ou.dk/~blackie/dotfile/
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_________________________________________________________________
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20. On POSIX systems the kernel will send hup signals to all the
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processes in the foreground process group if 'stty hupcl' is set.
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For example
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./tcsh
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echo $$
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591
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./tcsh
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kill -6 591
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Will kill everything, since hup will be sent to all tcsh processes. To
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avoid that you can set stty -hupcl, but it is not recommended.
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_________________________________________________________________
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21. When I rsh the meta key stops working on the remote machine.
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Try using rsh -8; this option is undocumented on some systems, but it
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works. If that does not work, get and use ssh/sshd. You'll be better
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off from a security point of view anyway.
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_________________________________________________________________
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22. Tcsh compiled under hp/ux-10.x does not pass resource limits
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correctly when ran on hp/ux-11.x systems.
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This is a problem with lack of ABI compatibility between the two
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systems. The only solution is to recompile.
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_________________________________________________________________
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23. Refreshing in command line editing can appear broken on some OS's
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This is because the termcap/terminfo description lies about the
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ability of the terminal to use tabs. At least on Compaq/DEC Alpha
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OSF/1 3.x and 4.x systems, stty -tabs will cause problems.
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_________________________________________________________________
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Everything else is a bug :-(
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Christos
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_________________________________________________________________
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Home | RecentChanges | Preferences
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Edit text of this page | View other revisions
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Last edited April 27, 2001 13:43 (diff)
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Search: ____________________
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