SHELL

how to change permissions on a file in linux

sudo chmod -R ugo+rwx /file/path

change file permission linux

chmod +x <fileName> # add execute permission to that file (.x.x.x) 
chmod +r <fileName> # add read permission to a file
chmod +w <fileName> # add write permission to the file

chmod u+x <fileName> #add execute permission to owner of the file

chmod 400 <fileName> # set file only read permission to owner 
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