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owner and group in Linux

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owner and group in Linux

I am bit unclear of how Linux was set in the real world, please advise me how it's supposed to be.

When I log in as root and do a ls -l, I find: /boot, /, /var, /usr, /tmp, /home, /u01, /u02, /u03 and of of this partition is owned by root and the group also belong to root. Is that the way it's supposed to be??? or I should change /u01, /u02, /u03 to different owner beside root???

Please advise me what I should do.

Thanks so much everyone.
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# 2  
This is for HPUX, your results may vary...

All base level, root level, "directories" should be owned by root:sys or root:bin, in almost every case. There may be some exceptions to this.

However, for mounted filesystems, mine are owned by bin:bin.

It really depends on the OS. You need to go to the website for your flavor of UNIX and see what they recommend.

#cd /
# ll |grep ^d|grep bin
dr-xr-xr-x 57 bin bin 5120 Jun 15 07:49 dev
dr-xr-xr-x 26 bin bin 7168 Jul 16 09:39 etc
dr-xr-xr-x 10 bin bin 1024 May 31 14:46 home
dr-xr-xr-x 37 bin bin 1024 Jun 12 14:03 opt
drwx--x--x 18 root bin 2048 Jul 16 08:57 root
dr-xr-xr-x 12 bin bin 3072 Mar 16 07:22 sbin
dr-xr-xr-x 7 bin bin 1024 Jun 15 07:36 stand
drwxrwxrwt 9 bin bin 49152 Jul 16 09:52 tmp
dr-xr-xr-x 25 bin bin 1024 May 18 09:35 usr
dr-xr-xr-x 23 bin bin 1024 May 18 09:35 var
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