Join Kevin Skoglund for an in-depth discussion in this video Utility programs, part of Unix for Mac OS X Users.
In this movie, I want to show you several utility programs that Unix provides…that I think can be really useful to you.…We are going to look at cal and also a variation on that called ncal, which is…a calendar program.…bc, which is a calculator program.…bc stands for bench calculator.…Then we have expire, which is an expression evaluator.…essentially it's a simple one line calculator.…We are just evaluating a mathematical expression. And then units which allows us…to do units of measure conversion.…So for example, from feet to meters.…Let's try all of them out.…
We will just start with the simplest one, which is calendar.…Just type cal and look what you got.…You get the current month's calendar. That's it.…That's all it does.…It is very simple, shows you by default the current month's calendar.…So let's type in the month 12, followed by 2020. So we are going to see what…December of 2020 looks like.…As an exercise, plug in your month and year that you were born and you can see…what day of the week that you were born on.…
- 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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