chmod in linux code example

Example 1: debian give write permission

sudo chmod -R 757 /var/www

Example 2: chmod usage

The three rightmost digits define permissions for the:
file user, the group, and others. 

Example usage: sudo chmod 777 testfile.txt

#	Permission				rwx	Binary
7	read, write and execute	rwx	111
6	read and write			rw-	110
5	read and execute		r-x	101
4	read only				r--	100
3	write and execute		-wx	011
2	write only				-w-	010
1	execute only			--x	001
0	none					---	000

Example 3: how to set execute permission in linux

chmod +x script-name-here.sh #Change the "script-name-here" to the name of your .sh file.

Example 4: change mode in linux

For changing permissions mode of files as "file.exe" follow next examples idea:
chmod file.exe ugo+x #Add x:execute permissions to u:user g:gropu and o:others
chmod file.exe o-rw  #Remove r:read and w:write permissions to o:others
chmod file.exe +rwx  #Add all r:read, w:wirte and x:execute permissions to all.

Example 5: linux chmod permissions

The three rightmost digits define permissions for the:
file user, the group, and others. 

#	Permission				rwx	Binary
7	read, write and execute	rwx	111
6	read and write			rw-	110
5	read and execute		r-x	101
4	read only				r--	100
3	write and execute		-wx	011
2	write only				-w-	010
1	execute only			--x	001
0	none					---	000

Example 6: how to set execute permission in linux

chmod -x script-name-here.sh #Change the "script-name-here" to the name of your .sh file.