UNIX是一类功能强大的主流操作系统。本书从初学者的角度介绍了UNIX的系统概念及其命令的使用。阐述的内容都是针对初学者完成日常工作所必需的各个方面，涉及UNIX系统的常用命令、UNIX文件系统、vi编辑器和Emacs编辑器、UNIX通信工具、shell命令和程序开发，以及一些更为深入的UNIX命令。书中还介绍了Linux操作系统以及Bourne Again Shell命令等。本书帮助读者由浅入深、循序渐进地学习UNIX，形成清晰的概念，并且避免了直接罗列复杂的命令格式。
Amir Afzal，在乔治华盛顿大学获得硕士及博士学位，美国弗吉尼亚州多所大学的教授，负责讲授本科生、研究生的计算机和信息技术课程，在设计和开发实时计算机软件系统方面积累了大量的实践经验。本书是作者多年教学和实践经验的总结。
Amir Afzal，在乔治华盛顿大学获得硕士及博士学位，美国弗吉尼亚州多所大学的教授，负责讲授本科生、研究生的计算机和信息技术课程，在设计和开发实时计算机软件系统方面积累了大量的实践经验。本书是作者多年教学和实践经验的总结。
1 First Things First
1.1 INTRODUCTION
1.2 PUTERS: AN OVERVIEW
1.3 PUTER HARDWARE
1.3.1 Input Devices
1.3.2 Processor Unit
1.3.3 Internal Memory
1.3.4 External Storage
1.3.5 Output Devices
1.4 PROCESS OPERATION
1.4.1 Performance Measurement
1.5 WHAT IS SOFTWARE?.
1.5.1 System Software
1.5.2 Application Software
REVIEW EXERCISES
2 The UNIX Operating System
2.1 UNIX OPERATING SYSTEM: A BRIEF HISTORY
2.1.1 UNIX System V
2.1.2 Berkeley UNIX
2.1.3 UNIX Standards
2.2 OTHER UNIX SYSTEMS
2.2.1 Linux
2.2.2 Solaris
2.2.3 Unix Ware
2.2.4 Which UNIX to Learn?
2.2.5 X Window System
2.3 OVERVIEW OF THE UNIX OPERATING SYSTEM
2.4 UNiX FEATURES
2.4.1 Portability
2.4.2 Multiuser Capability
2.4.3 Multitasking Capability
2.4.4 Hierarchical File System
2.4.5 Device-Independent Input and Output Operations
2.4.6 User Interface: Shell
2.4.7 Utilities
2.4.8 System Services
REVIEW EXERCISES
3 Getting Started
3.1 ESTABLISHING CONTACT WiTH UNIX
3.1.1 Logging In
3.1.2 Changing Your Password: The passwd Command
3.1.3 General Rules for Choosing Passwords
3.1.4 Logging Off
3.2 USING SOME SIMPLE MANDS
3.2.1 The Command Line
3.2.2 Basic Command Line Structure
3.2,3 Date and Time Display: The date Command
3.2.4 Information on Users: The who Command
3.2.5 Displaying a Calendar: The Pal Command
3.3 GETTING HELP
3,3.1 Using the learn Command
3.3.2 Using the help Command
3.3.3 Getting More Information: The UNIX Manual
3.3.4 Using the Electronic Manual: The man Command
3.4 CORRECTING TYPING MISTAKES
3.5 USING SHELLS AND UTILITIES
3.5.1 Kinds of Shells
3.5.2 Changing Your Shell
3.5.3 The Shells in This Book
3.6 MORE ABOUT THE LOGGING-IN PROCESS
MAND SUMMARY
REVIEW EXERCISES
Terminal Session
4 The vi Editor: First Look
4.1 WHAT IS AN EDITOR?
4.1.1 UNIX-Supported Editors
……
5 Introduction to the UMIX File System
6 The vi Editor:Last Look
7 The Emacs Editor
8 The UMIX File System Continued
9 Exploring the Shell
10 UMIX Communication
11 Program Development
13 Shell Programming
13 Shell Scripts:Writing Applications
14 FAREWELL TO UMIX
Appendix
Index
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