>Usage
chmod is a command used to change the permissions of files and directories. Permissions control who can read, write, or execute a file. chmod allows you to modify these settings to make files more secure or accessible to certain users.
>Synopsis
>Options
-r
-r (read): Grants the user permission to read the contents of the file.
Example 1:
-zsh
> chmod u+r file.txt
-w
-w (write): Grants the user permission to modify the contents of the file.
Example 2:
-zsh
chmod g+w file.txt
-x
-x (execute): Grants the user permission to run the file as a program or script.
Example 3:
-zsh
> chmod o+x script.sh
-u
-u (user): Refers to the file's owner (the user who created or owns the file).
Example 4:
-zsh
> chmod u+x file.txt
-g
-g (group): Refers to the group of users who share access to the file. In Unix systems, a file can be assigned to a specific group, and members of that group may have different permissions than others.
Example 5:
-zsh
> chmod g-w file.txt
-o
-o (others):Refers to all other users who are not the owner or part of the file's group.
Example 6:
-zsh
> chmod o+r file.txt
-a
-a (all): Refers to all users, including the owner, group, and others.
Example 7:
-zsh
> chmod a-w file.txt
-+
-+ (add permission): Adds the specified permission to the file.
Example 8:
-zsh
> chmod +x file.txt
--
- (remove permission):Description: Removes the specified permission from the file.
Example 9:
-zsh
> chmod -x file.txt
-=
-= (set permission): Sets the file's permission explicitly, removing any other permissions that aren't listed.
Example 10:
-zsh
> chmod u=r file.txt