how to give write permission to a folder in linux code example

Example 1: linux give permission to folder

sudo chmod -R a+rwx /path/to/folder

Example 2: debian give write permission

sudo chmod -R 757 /var/www

Example 3: how to give permission to a user in linux on a folder

sudo chmod u+w myfolder

Example 4: 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 5: 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.