Unix Commands Tutor is a Unix command reference application that helps in learning and memorizing Unix Commands.
This app covers all the aspect of Linux or Unix Programming and File Management..

Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives a very good understanding on Unix.

Best and complete Unix Tutorial. This application contains dozens of tutorials to learn Unix ranging from basic. All tutorials offline without an Internet connection. Here's a list of tutorials available in this application:

We cover all the major topics like

Unix / Linux for Beginners
• Home
• Getting Started
• File Management
• Directories
• File Permission
• Environment
• Basic Utilities
• Pipes & Filters
• Processes
• Communication
• The vi Editor

Unix / Linux Shell Programming
• What is Shell?
• Using Variables
• Special Variables
• Using Arrays
• Basic Operators
• Decision Making
• Shell Loops
• Loop Control
• Shell Substitutions
• Quoting Mechanisms
• IO Redirections
• Shell Functions
• Manpage Help

Advanced Unix / Linux
• Regular Expressions
• File System Basics
• User Administration
• System Performance
• System Logging
• Signals and Traps