you don’t have permission to read this article

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 NotationNumeric NotationEnglish
----------0000no permissions
-rwx------0700read, write, & execute only for owner
-rwxrwx---0770read, write, & execute for owner and group
-rwxrwxrwx0777read, write, & execute for owner, group and others
--wx-wx-wx0333write & execute
-r-xr-xr-x0555read & execute
-rw-rw-rw-0666read & write
-rwxr-----0740owner can read, write, & execute; group can only read; others have no permissions

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