Recursive chmod Tricks

Recursively chmod only directories:

find . -type d -exec chmod 755 {} \;

Similarly, recursively set the execute bit on every directory chmod -R a+X * The +X flag sets the execute bit on directories only

Recursively chmod only files:

find . -type f -exec chmod 644 {} \;

Recursively chmod only PHP files (with extension .php:

find . -type f -name ‘*.php’ -exec chmod 644 {} \;