Join Kevin Skoglund for an in-depth discussion in this video Creating files, part of Unix for Mac OS X Users.
Now that we understand about file naming, we are actually ready to start…creating some files and there are three main ways to create files in Unix.…The first is using a text editor and Unix has its own text editor.…We are not going to be using the text editors that you have on your Mac like…Microsoft Word or whatever it might be.…We are going to be using Unix's text editors and we are going to see how to do…that in the next movie.…There is also a technique where we can direct output from a command and put that…in a file and we will see that in a future chapter.…Then there is the simplest of all, the one that we are going to look at right…now, which is just touch.…
Let's go back to our command line and see how the touch command works.…Back in my home directory, we can just see what's in there right now, ls -la.…We will see the full list. Before we do touch, let's take a look at what touch actually does.…Let's look in the manual for touch.…Change file access and modification times.…Well that doesn't sound like it has anything to do with creating files.…
- 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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