All Right folks, you know computer stuff isn’t really simple as you think such a permission attributes is existed controlled by technology called File System which determine if files nor directory has permission and the Operating System will obey the file system rules. Unix-like and otherwise POSIX-compliant systems, including Linux-based systems and all macOS versions, have a simple system for managing individual file permissions.
Most Unix-like nor Linux used program called chmod which used to manipulate permission attributes like another utility tools we told before in this article.
|Symbolic Notation||Numeric Notation||English|
|0700||read, write, & execute only for owner|
|0770||read, write, & execute for owner and group|
|0777||read, write, & execute for owner, group and others|
|0333||write & execute|
|0555||read & execute|
|0666||read & write|
|0740||owner can read, write, & execute; group can only read; others have no permissions|