Discover how permissions regulate read, write, and execute access to files and directories. Learn to view the current permissions and understand what the codes mean.
- [Instructor] In this movie, … we'll learn about File and Directory Permissions. … Before we can learn to set permissions, … we have to learn something about the notation … that Unix uses to describe them. … Go to your command line and type ls -la. … Take a look at that first column. … The first letter, the d or the dash, … indicates if it's a file or a directory, … and the l tells us if it's a symlink. … The next nine characters, … the ones that are r, w, x or dash, … those are the permissions on that file or directory. … Let's learn what those characters mean. … When you take those nine characters … that represent the File Permission, … you want to look at them in sets of three. … The first set of three are the user permissions. … The second set are group permissions. … And the third set are permissions for other … or everyone else in the world. … User, group, and other … are the three categories of permissions. … Each category has three permissions to it. … We can set read permissions, …
Skill Level Intermediate
1. Introduction to Unix
2. Files and Directories
3. Ownership and Permissions
4. Commands and Processes
5. Directing Input and Output
6. Configure Your Working Environment
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