Join Kevin Skoglund for an in-depth discussion in this video File and directory ownership, part of Unix for Mac OS X Users.
Now that we've talked about users and we've talked about groups, we're ready to…talk about file and directory ownership.…Ownership is an essential part of working in a multiuser environment.…It is how Unix can tell which files belong to you, which ones you can access…and which ones you can't. You can see the ownership of files and directories…whenever we do ls -la.…It's the second and third columns that you see there.…So the owner of all of these files and directories except for one is going to be kevin. …The one that you see as root is the parent directory of that.…That's the /Users directory.…
That's going to be the parent directory and it's owned by root.…But my User folder is owned by me and all the things that are inside that…folder are owned by me.…The group that owns it, or you can say the group that's assigned to it, is staff.…Now we don't need to worry too much about groups on Mac, but I just want you to…see it so that you have the conceptual understanding.…For contrast, let's take a look at the other user that I've set up on my…
- Moving around the file system
- Creating and reading files
- Copying, moving, renaming, and deleting files and directories
- Creating hard links and symbolic links
- Understanding user identity, file ownership, and sudo
- Setting file permissions with alpha and octal notation
- Changing the PATH variable
- Using the command history
- Directing input and output
- Configuring the Unix working environment
- Searching and replacing using grep and regular expressions
- Manipulating text with tr, sed, and cut
- Integrating with the Finder, Spotlight, and AppleScript
Skill Level Beginner
1. Introduction to Unix
2. Filesystem Basics
3. Working with Files and Directories
4. Ownership and Permissions
5. Commands and Programs
6. Directing Input and Output
7. Configuring Your Working Environment
8. Unix Power Tools
9. Useful Mac-Only Commands and Techniques
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