Many new users make mistakes (or have misunderstanding) while applying chmod
on files or directories, because of a lack of informative knowledge of:
- Symbolic notation for
ugo
andrwx
- Use of octal numbers
So, in this answer I have provided some useful information that can help to understand correct symbolic notation and using octal numbers.
Best Answer
Informative knowledge is provided with the help of The Linux Command-line as refrence/source.
First of all it is very essential to know about
ugo
andrwx
manner:Understanding of attribute which can be out put by
ls-l
:Applying Permission:
Using Octal number:
Hence Following work same like:
And
Hope this helps new users to understand and get knowledge about Symbolic Notation & using Octal number for
chmod
.you can download pdf version of linux-command-line book from sourceforge-project