Join Kevin Skoglund for an in-depth discussion in this video The working directory, part of Unix for Mac OS X Users.
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- Exercise Files
In this chapter we're going to take a look at the Unix file system and how we…can work with files and directories.…I want to start that off by talking about the concept of the working directory.…This is an important concept.…It's the directory where we are right now.…So when we issue commands, it's important to know which working directory we are in, …because that's where those commands are going to happen.…That's where they are going to take place.…So if we say look for a file, it's going to look for a file in that directory,…unless we tell it something.…So it's important to know where we are.…The best analogy is the graphical user interface of the Finder. Right here I am inside kevin.…
That's my user directory and you can see that I have all my different folders here.…If I double-click on Public, I go inside the Public folder.…I've changed my working directory from being in kevin to being in Public.…I can go back and I've changed my working directory now back to kevin.…It's the directory that we are seeing and we are working. It's very similar.…
- 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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