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Showing posts with label permission files. Show all posts
Showing posts with label permission files. Show all posts
Sunday, October 14, 2012
Sunday, September 16, 2012
Easy learn linux command line- Part 8
the set permission for files is subject for this learning serious. Do
you know, what it is file permission? which permissiones are in linux
file systems? you learn their in this Part
Permits on Files |
|
| Command | Description |
| # chgrp group1 file1 | change group of files |
| # chmod ugo+rwx directory1 | set permissions reading (r), write (w) and (x) access to users owner (u) group (g) and others (o) |
| # chmod go-rwx directory1 | remove permits reading (r), write (w) and (x) access to users group (g) and others (or |
| # chmod u+s /bin/file1 | set SUID bit on a binary file - the user that running that file gets same privileges as owner |
| # chmod u-s /bin/file1 | disable SUID bit on a binary file |
| # chmod g+s /home/public | set SGID bit on a directory - similar to SUID but for directory |
| # chmod g-s /home/public | disable SGID bit on a directory |
| # chmod o+t /home/public | set STIKY bit on a directory - allows files deletion only to legitimate owners |
| # chmod o-t /home/public | disable STIKY bit on a directory |
| # chown user1 file1 | change owner of a file |
| # chown -R user1 directory1 | change user owner of a directory and all the files and directories contained inside |
| # chown user1:group1 file1 | change user and group ownership of a file |
| # find / -perm -u+s | view all files on the system with SUID configured |
| # ls -lh | show permits on files |
| # ls /tmp | pr -T5 -W$COLUMNS | divide terminal into 5 columns |
source:linuxguide
Labels:
command line,
learn,
linux,
permission files
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