Linux Survival
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Linux Survival
There's a lot of information in those lines (and we've even simplified things for clarity). The first character will almost always be either a '-', which means it's a file, or a 'd', which means it's a directory. In our example, all three of them are files. The next nine characters (rw-r--r--) show the security; we'll talk about them on the next page. The next column shows the owner of the file. In our imaginary zoo, your UserID is "keeper". The next column shows the group owner of the file. Recall that we want to give the "prim" group of people special access to these files. The next column shows the size of the file in bytes. The next column shows the time the file was last modified (in reality, it would also show the date). And, of course, the final column gives the filename. Click the right arrow to continue.
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Where learning Linux is easy
Module 1 Introduction
Directory Structure
List Directory
View File Contents
Create Directory
Move and Rename File
Change Directory
Get Current Location
Quiz 1
End of Module 1
Module 2 Introduction
Pathnames
Copy File
Remove File
Remove Directory
File Security
Change File Permissions
Wildcards
Groups Memberships
Quiz 2
End of Module 2
Module 3 Introduction
Home Directories
Manual Pages
User Information
Find File
Concatenate Files
Redirect Output
Print
Print Job Status
Cancel Print Job
Quiz 3
End of Module 3
Module 4 Introduction
Copy Tree
Disk Space
Remove Tree
Process Status
Pipe Output
Pattern Matching
Kill Process
Quiz 4
Conclusion