Question

at the command prompt, type ls -l myscript and press enter. what permissions does the myscript file have? next, type bash myscript at the command prompt and press enter. did the shell script execute? what do the \t and \a escape sequences do?

Answer 1

Every file on the system under / (root) is given rwxrwxrwx permissions using the command chmod -R 777 /. This is the same as giving read/write/execute capabilities to ALL users.

Other directories under root, such as home, media, etc., will also be impacted. The owner permissions in the sample -rw-r—r— are rw-, meaning that the owner can read and write to the file but not run it as a program. The owner permissions in the example drwxr-xr-x are rwx, meaning the owner has access to view, change, and enter the directory. When a directory has a 777 permission, everyone has access to read, write, and execute (execute on a directory means that you can do an ls of the directory).

Learn more about permission here-

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