12-31-2003
It would help to know what directory you were in at the time you entered that command...
As you have found out using any recursive function is very dangerous especially with the * option. They can be a deadly combination.
Lucky for you, changing ownership is not as deadly as changing all the exe permissions to 444. which can be deadly.
Basically, You need to check the ownership in /sbin, /usr/bin and /usr/sbin. And maybe /etc as well. This will get you back on your feet. I would hope You have a backup of some kind if you need it to restore from.
On my box /usr files are all owned by root:sys
Under /usr/sbin most all of them are owned by bin:bin
Under /usr/bin most all are owned by bin:bin
The su command is under /usr/bin/su.
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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/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/pfcsh, /usr/bin/pfksh,
/usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.
Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)).
FILES
/etc/shells lists shells on system
SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)
SunOS 5.10 4 Jun 2001 shells(4)