Join Kevin Skoglund for an in-depth discussion in this video Filesystem organization, part of Unix for Mac OS X Users.
Now that we have gone over the basics of working with the file system, we know…how to view the files and directories and our present working directory and how…to move around the file system,…I want to stop and take a look at the big picture for what the file system looks…like and how it's organized, because there is a very standard way that Unix goes…about organizing it and Mac OS X then has its own sort of version of that.…So in a typical Unix organization, you have the root of the hard drive, we saw…that with just simply the slash, and inside the root there is typically several…folders. bin which is where the binaries or programs are stored.…
These are Unix programs, not programs like Photoshop and Microsoft Word.…Those are Mac applications. These are Unix programs.…Sbin is for system binary, system program that it uses. dev is where there are…references and files for different devices like hard drives keyboard, mouse,…etcetera. /etc which is also pronounced as etcetera or "easy" by some people.…
- 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
Q: The exercise files for the following movies appear to be broken:
Is there something wrong with them?
These exercises include one or more "dot files", whose file names start with a period. These files are normally hidden from view by the Finder. So that they would show up in the Finder, the period has been removed from the file names. Additionally, "_example" has been added at the end of the file name to make it clear that the file will not work as-is.
To make the dot files usable, either:
1) Open the file in a text editor to view its contents. Note that it may not be possible to double-click the file to open it because there is no file extension (such as .txt).
2) Resave the file under a new name (usually by choosing File > Save As), adding a "." to the beginning of the file name and removing "_example" from the end.
1) Copy and rename the file from the Unix command line using the techniques discussed in this course. Rename the file by adding a "." to the start and removing "_example" from the end. Include the "-i" option to prevent overwriting an existing file unexpectedly.
Example: cp -i ~/Desktop/Exercise\ Files/Chapter_07/07_02_files/bashrc_example ~/.bashrc
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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