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no edit summary
<br />
<br />
Examples<br />
Examples<br />
* 4 = r--
* 6 = rw-
* 7 = rwx
<br />
<br />
<nowiki>
<nowiki>
|chmod u=rw,go= | chmod 600 |
|chmod u=rw,go= | chmod 600 |
|chmod u=rwx,go= | chmod 700 |
|chmod u=rwx,go= | chmod 700 |
x------------------------x-----------x</nowiki>
x------------------------x-----------x
test: Du=rwx,go=rx,Fu=rw,og=r
</nowiki>
Sitcky bit:<br />
Sitcky bit:<br />
When assigned to a directory, the elements inside it can only be renamed by:<br />
When assigned to a directory, the elements inside it can only be renamed by:<br />
* the owner of the directory
* the owner of the directory
* root
* root
chmod +t dir_name
chmod -t dir_name
<br />
<br />
chmod 400 file - Read by owner<br />
chmod 400 file - Read by owner<br />
chmod 444 file - Allow read permission to owner and group and world<br />
chmod 444 file - Allow read permission to owner and group and world<br />
chmod 777 file - Allow everyone to read, write, and execute file<br />
chmod 777 file - Allow everyone to read, write, and execute file<br />
== Change permissions only for directories ==
chmod 755 $(find /path/to/base/dir -type d)
== Change permissions only for files ==
chmod 640 $(find /path/to/base/dir -type f)
for fi in $(find /Pilaf -type f); do chmod 640 $fi;done # if there are many files
== Chmod Script ==
<nowiki>#!/bin/sh
# syntax: setperm.s destdir
#
if [ -z $1 ] ; then echo "Requires single argument: <directoryname>" ; exit 1 ; fi
destdir=$1
dirmode=0770
filemode=0660
YN=no
printf "\nThis will RECURSIVELY change the permissions for this entire branch:\n "
printf "\t$destdir\n"
printf "\tDirectories chmod = $dirmode\tFiles chmod = $filemode\n"
printf "Are you sure want to do this [$YN]? "
read YN
case $YN in
[yY]|[yY][eE][sS])
# change permissions on files and directories.
find $destdir -type f -print0 | xargs -0 chmod $filemode $i
find $destdir -type d -print0 | xargs -0 chmod $dirmode $ii ;;
*) echo "\nBetter safe than sorry I always say.\n" ;;
esac</nowiki>