What is the basic usage of chmod in Linux?
The basic usage of chmod is to change the file permissions. The syntax is chmod [options] mode file
.
What do the different modes mean?
Modes can be specified in symbolic (e.g., u+x
) or numeric (e.g., 755
) format. They define read, write, and execute permissions.
Can you give me an example of using chmod?
Sure! To give the owner execute permission, you can use chmod u+x filename
.
What if I want to remove permissions?
You can remove permissions using the minus sign. For example, chmod u-x filename
removes execute permission for the owner.
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