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File Permission Problem

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Top Forums UNIX for Dummies Questions & Answers File Permission Problem
# 1  
Old 01-11-2007
Data File Permission Problem

Hi,I am a newbie, in a hp-ux box,i create a file testfile as root,
ls -l testfile
-rw-r--r-- 1 root sys 1 Jan 11 17:51 testfile
then l login the box as user ivan,then I execute
rm testfile
It prompts me testfile : 644 mode ? (y/n) ,if I enter y,then the testfile is deleted.So why could other user delete that file,it seems impossible according to the file permission setting ?
Thanks you all !
# 2  
Old 01-11-2007
You are allowed to do this because your user ivan has write permissions on the directory which this file is in.
# 3  
Old 01-11-2007
no, ivan has no write permission to the directory where testfile is in, actually in my opinion, according to the permission setting, the permission of the file should overwrite the permission of the directory, am i right ?
# 4  
Old 01-11-2007
Type ls -al of the directory where the file is in.
If the file is in directory /var/test type ls -al /var/test and post the output here.
# 5  
Old 01-11-2007
# ls -al /testdir
total 16
drwxr-xr-x 2 root sys 96 Jan 11 19:14 .
drwxr-xr-x 24 root root 8192 Jan 11 19:14 ..
-rw-r--r-- 1 root sys 0 Jan 11 19:14 testfile

ls -ld /testdir
drwxr-xr-x 2 root sys 96 Jan 11 19:14 /testdir
# 6  
Old 01-11-2007
According to that, Ivan should not be able to remove the file..
bash-2.05$ ls -al testdir
total 32
drwxr-xr-x   2 root     sys         182 Jan 11 23:03 .
drwxr-xr-x   3 root     root         181 Jan 11 23:02 ..
-rw-r--r--   1 root     sys           0 Jan 11 23:03 testfile
bash-2.05$ rm testfile
rm: testfile: override protection 644 (yes/no)? yes
rm: testfile not removed: Permission denied

# 7  
Old 01-11-2007
Thanks Tornado, maybe there is something wrong with my unix box, I have tried in another one, it worked in the correct way, thanks !
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