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hi,

i am using rhel 5, and i wanna run a script as soon as the operating system open. How can i do this ? ( i was reading rc.d files but i could not understand exactly what are the run levels and...

thank you very much "reboot", your responses are absolutely right !

i could not edit the /etc/passwd file.

"passwd"
"passwd" E212: Can't open file for writing
Press ENTER or type command to continue

how can i do this ?

---------- Post updated at 02:25 AM...

output of etc/passwd :

[root@localhost etc]$ cat passwd
root:x:503:0:root:root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin...

-bash-3.2$ ls -ld /root
drwxr-x--- 17 0 0 4096 Apr 21 17:06 /root
You have new mail in /var/spool/mail/root
-bash-3.2$

Hi folks.

our developer had a root user and he changed some settings about root user. We have not known what he changed.

There is an oracle user, we can login to oracle, no problem. But when...