December 2018
Beginner
320 pages
8h 57m
English
Content preview from CentOS Quick Start Guide
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Understanding default ownership
When we create a file or directory, it gets certain default ownership and group ownership. The user who creates the file becomes the user (owner) of that file, and the primary group of that user becomes the group of that file. To find out whether a user or a group has the permissions to access a file or a directory, a shell checks the ownership of that file in the following order:
- When accessing a file, a shell checks whether you are the owner of a file. If a user is the owner of a file, then the user gets access to the file with the permissions that are set for the owner of the file.
- If the user is not the owner of the file, a shell checks for the group of the file. If the user is a member of a group assigned ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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