04-15-2004
alan, I just tried this stuff on a 9000/800 running HP-UX 11.00.
As a non-root user, I do get "mknod: must be super-user" with the command "/usr/sbin/mknod bla". But that is an illegal command. When I run the same command as root as get "illegal argument count" and a usage statement.
"/usr/sbin/mknod bla p" works fine for all users.
When I try:
cat bla &
echo "hello world" > bla
it works fine for me. I cannot reproduce that error. Yes, your fifo looks like it has both read and write for you.
Try switching shells. Just type "sh" which will start up a posix shell. It's very close to ksh. Does thast work any better? When I type "what /usr/bin/ksh", I get:
$ Revision: 82.10 $
Version 11/16/88
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LEARN ABOUT OPENSOLARIS
shells
shells(4) File Formats shells(4)
NAME
shells - shell database
SYNOPSIS
/etc/shells
DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.
A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines
which search the file. Blank lines are also ignored.
The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh,
/bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh,
/usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list.
Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1).
FILES
/etc/shells list of shells on system
SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)
SunOS 5.11 20 Nov 2007 shells(4)