CHMOD 2: Number CHMODing

[Jaeboy]

The tutorial from Rapid Dr3am is good, but is usually used by developers and/or command prompt users, so I've created a standard CHMODing tutorial that is used by most FTP software. Have Fun!

What is CHMOD:
CHMODing defines a user's right to access/view/modify a file and it is divided in 3 categories


Owner | Group | Public



Complete CHMOD Table:


Code:

|   Owner   |  Group   | Public Read    |           |          |        Write   |           |          | Execute |           |          |



Read means, allow browser to read the file
Write allow user to make changes via browser or any HTTP protocol
Execute is for executing scripts such as php etc.

777 gives full right to all user

777 means that Read is allowed, Write is allowed, Execute is allowed.




Code:

|   Owner   |  Group   | Public Read    |    OK     |     OK   |     OK Write   |    OK     |     OK   |     OK Execute |    OK     |     OK   |     OK Result=       7           7           7





Read gives 4 points
Write gives 2 points
Execuite gives 1 point



For example if i want to allow owner to read/write/execute while preventing group and public to write, it should look like 755.



Code:

| Owner   |  Group |  Public Read(4)   |   OK    |   OK   |   OK      Write(2)  |   OK    |   No   |   No Execute(1)|   OK    |   OK   |   OK Result  =      7        5        5



And if I want to prevent allow owner to still have r/w/e but allow group and public to r/w but not execute it sould be 766.



Code:

| Owner   |  Group |  Public Read(4)   |   OK    |   OK   |   OK      Write(2)  |   OK    |   OK   |   OK Execute(1)|   OK    |   No   |   No Result  =      7        6         6





Always remember this table:


Code:

| Owner   |  Group |  Public Read      |   4     |   4    |   4      Write     |   2     |   2    |   2 Execute   |   1     |   1    |   1


Result = 7 7 7




FAQ: I am using a Windows operating system, why can't I use this function?
Answer: CHMOD is for *NIX users only (Linux, Unix, etc.)

Note: This article is based on my own knowledge, please correct me if am wrong

See also: CHMOD File Permissions.
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