What is chmod ?
In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags of file system objects. Collectively these were originally called its modes, and the name chmod was chosen as an abbreviation of change mode.
The file permissions in Linux are the following three types:
- read (r)
- write (w)
- execute (x)
chmod <options> <permissions> <file name>
The references are utilized to recognize the clients to whom the authorizations apply for example they are rundown of letters that determines whom to give consents.
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Linux Tutorials: Chmod Commands