Chapter 5. Ownership and Permissions
This hour focuses on teaching the basics of Unix file permissions. Topics include setting and modifying file permissions with chmod
, analyzing file permissions as shown by the ls -l
command, and setting up default file permissions with the umask
command. Permission is only half the puzzle, however, and you also learn about file ownership and group ownership, and how to change either for any file or directory.
Goals for This Hour
In this hour, you will learn how to
Understand file permissions settings
Understand directory permissions settings
Modify file and directory permissions with
chmod
Set new file permissions with
chmod
Establish default file and directory permissions with
umask
Identify the owner and group for ...
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