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Explain the method of changing file access permission?

Answer Posted / Rishi Kant Pal

To change file access permissions in Unix, use the 'chmod' command. The basic syntax is: chmod [permissions] [file/directory]. The permissions can be set using octal numbers (e.g., 755 for rwxr-xr-x) or symbolic representations (+ for add, - for remove, = for set). To change ownership and group of a file or directory, use the 'chown' command (for changing user ownership) and 'chgrp' command (for changing group ownership).

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