Join Kevin Skoglund for an in-depth discussion in this video Unix manual pages, part of Unix for Mac OS X Users.
This movie may very well be the most valuable movie in this entire training title, …even though it's very simple.…The Unix manual pages are an invaluable resource for helping you figure out what…you want to when you're working in Unix.…In fact, I learned 80% of the Unix I know from the manual pages.…These are going to be your best friend during your journey.…The manual pages, often simply refer to as just the man pages, is called that…because the command to get to them is just man, and the man followed by whatever…we want to look up in the manual.…man echo will give us the manual pages for the echo command.…
Go ahead and hit that, you will see at the top BSD General Commands Manual.…The name echo, what does it do?…Write arguments to the standard output.…Then we get a synopsis, then we get the description. You can see the option…-n there, do not print the trailing new line character, and then at the…bottom we get a colon.…Now let's just know that there's more. We can see more.…To see the next page, you can simply hit the Spacebar or you can use F and B to…
- 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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