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Aviance School is one of the largest web solutions platform in India for developers to learn and share their programming knowledge and build their careers.
You can change the file permissions using chmod command in unix. There are three sets of permissions user,group & world. You can assign numbers to each permission Using the numeric mode.For example: 4 = r 2 = w 1 = x
chmod 644 demo.php
Permissions Table
0 No permission
1 Execute permission
2 Write permission
3 Execute and write permission
4 Read permission
5 Read and execute permission
6 Read and write permission
7 All permissions