Further Use of Unix     c9.1/1

Contents

• 1 Introduction
  • 1.1 Help
  • 1.2 File System Structure
  • 1.3 File Permissions
    • 1.3.1 Changing Default File Permissions
  • 1.4 File Links
  • 1.5 A Few Utilities
  • 1.6 Redirection
    • 1.6.1 > (Output)
    • 1.6.2 < (Input)
    • 1.6.3 >> (Append Output)
  • 1.7 Pipes
  • 1.8 Filters
• 2 Text Processing With Filters
  • 2.1 Overview
  • 2.2 grep ­ Global Regular Expression Match and Print
  • 2.3 sed ­ the Stream Editor
  • 2.4 awk ­ A Pattern Scanning and Processing Language
• 3 The C-Shell
  • 3.1 Overview
    • 3.1.1 Differences between the C & Bourne Shells
    • 3.1.2 tcsh
  • 3.2 Command History
    • 3.2.1 Modification of Previous Commands
  • 3.3 Filename Completion
  • 3.4 Command Line Editing (tcsh)
  • 3.5 Aliases
  • 3.6 Job Control
  • 3.7 Variables in the C shell
    • 3.7.1 Environment Variables
    • 3.7.2 Shell Variables
  • 3.8 Files Associated with the C shell
    • 3.8.1 .cshrc file
    • 3.8.2 .login file
    • 3.8.3 .logout file
• 4 make
  • 4.1 What make Does
  • 4.2 The Makefile
• 5 Networking Facilities on Unix Systems
  • 5.1 TCP/IP and Internet Numbers
  • 5.2 Information about Machines
  • 5.3 Information about Users
  • 5.4 Electronic Mail
  • 5.5 Electronic Chats
  • 5.6 Working with Remote Machines
    • 5.6.1 Logging in from a Unix Host to a Second Unix Host
    • 5.6.2 Running Commands on a Second Unix System
    • 5.6.3 Copying Files between Two Unix Hosts on a TCP/IP Network
• 6 Creating Shell Scripts in the C shell
  • 6.1 Overview
  • 6.2 Creating New Commands
  • 6.3 Adding a Search Path to the Shell
• 7 Bourne Shell Programming Structures
  • 7.1 Overview
  • 7.2 Basic Shell Script
  • 7.3 Creating Shell Variables
    • 7.3.1 Performing Arithmetical Operations on Shell Variables
  • 7.4 Positional Parameters and Variables in Scripts
  • 7.5 Command Results as Arguments
  • 7.6 Debugging Scripts
  • 7.7 Relational Operators
  • 7.8 The if Command
  • 7.9 File Operations
  • 7.10 The case Command
  • 7.11 The for Command
  • 7.12 The while Command
• A1 Commands
  • A1.1 Unix File Handling Commands
  • A1.2 Basic emacs Commands
  • A1.3 Regular Expressions
  • A1.4 Characters with Special Meaning
• A2 Example Initialization Files
  • A2.1 .cshrc
  • A2.2 .login
• A3 Using the C Shell to Interpret Shell Scripts
  • A3.1 Debugging Scripts in the C Shell
  • A3.2 Creating Variables in C Shell Scripts
    • A3.2.1 Accessing the Values of Shell Variables
    • A3.2.2 Performing Arithmetical Operations on Shell Variables
  • A3.3 Using Arguments with C Shell Scripts
  • A3.4 Conditional Commands
    • A3.4.1 Relational Operators
    • A3.4.2 Logical Operators
    • A3.4.3 The if Command
    • A3.4.4 File Operations
    • A3.4.5 The switch Command
  • A3.5 Loops
    • A3.5.1 The for Command
    • A3.5.2 The while Command
• A4 Exercises
  • A4.1 Practical 1
  • A4.2 Practical 2
  • A4.3 Practical 3
• A5 Solutions to Exercises
  • A5.1 Practical 1 - Solutions
  • A5.2 Practical 2 - Solutions
  • A5.3 Practical 3 - Solutions (Bourne Shell Programming)
• A6 Further Reading
  • A6.1 Useful World Wide Web sites

OUCS User Guides

• [1] c3.1 Getting Started with Unix
• [2] e4.1 Getting Started with the Editor Emacs

Revision History:

c9.1/1 October 1996 Original Publication

© Oxford University Computing Services 1996

Although formal copyright is reserved, members of academic institutions may republish the material in this document subject to due acknowledgement of the source.