411 REFERENCE · Wikibooks
A Quick Introduction to Unix/TOC
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Components
Shells and subshells
Directory Structure
Changing Directories
Listing Files and Directories
Pathnames
Files and Processes
Wildcards
Exercises 1
Creating Directories
Creating Files
Special Directories
Exercises 2
Copying Files
Moving Files
Deleting Files
Exercises 3
Redirection
Searching Text Files
More grep examples
Permissions on Files and Directories
Editing Text
Exercises 4
My First Shell Script
Job Control
Links
Environment Variables