How to change the directories/files permission in unix?
Using the "find" command we can change the permission of all the directories/files very easily.
For example, if we want to change the permission of all the directories and files under /opt/hddocs then follow the below commands,
To change all the directories under /opt/hddocs to 755:
find /opt/hddocs -type d -exec chmod 755 {} \;
To change all the files to 644:
find /opt/hddocs -type f -exec chmod 644 {} \;
