UNIX编程环境（英文版）

图书目录:

CONTENTS

1. UNIX for Beginners　1

1.1　Getting started　2

1.2　Day-to-day use: files and common commands　11

1.3　More about files: directories　21

1.4　The shell　26

1.5　The rest of the UNIX system　38

2. The File System　41

2.1　The basics of files　41

2.2　What's in a file?　46

2.3　Directories and filenames　48

2.4　Permissions　52

2.5　Inodes　57

2.6　The directory hierarchy　63

2.7　Devices　65

3. Using the Shell　71

3.1　Command line structure　71

3.2　Metacharacters　74

3.3　Creating new commands　80

3.4　Command arguments and parameters　82

3.5　Program output as arguments　86

3.6　Shell variables　88

3.7　More on I/O redirection　92

3.8　Looping in shell programs　94

3.9　bundle: putting it all together　97

3.10　Why a programmable shell?　99

4. Filters　101

4.1　The grep family　102

4.2　Other filters　106

4.3　The stream editor sed　108

4.4　The awk pattern scanning and processing language　114

4.5　Good files and good filters　130

5. Shell Programming　133

5.1　Customizing the cal command　133

5.2　Which command is which?　138

5.3　while and until loops: watching for things　144

5.4　Traps: catching interrupts　150

5.5　Replacing a file: overwrite　152

5.6　zap: killing processes by name　156

5.7　The pick command: blanks vs. arguments　159

5.8　The news command: community service messages　162

5.9　get and put: tracking file changes　165

5.10　A look back　169

6. Programming with Standard I/O　171

6.1　Standard input and output: vis　172

6.2　Program arguments: vis version 2　174

6.3　File access: vis version 3　176

6.4　A screen-at-a-time printer: p　180

6.5　An example: pick　186

6.6　On bugs and debugging　187

6.7　An example: zap　190

6.8　An interactive file comparison program: idiff　192

6.9　Accessing the environment　199

7. UNIX System Calls　201

7.1　Low-level I/O　201

7.2　File system: directories　208

7.3　File system: inodes　214

7.4　Processes　220

7.5　Signals and interrupts　225

8. Program Development　233

8.1　Stage 1: A four-function calculator　234

8.2　Stage 2: Variables and error recovery　242

8.3　Stage 3: Arbitrary variable names; built-in functions　245

8.4　Stage 4: Compilation into a machine　258

8.5　Stage 5: Control flow and relational operators　266

8.6　Stage 6: Functions and procedures; input/output　273

8.7　Performance evaluation　284

8.8　A look back　286

9. Document Preparation　289

9.1　The ms macro package　290

9.2　The troff level　297

9.3　The tbl and eqn preprocessors　301

9.4　The manual page　308

9.5　Other document preparation tools　313

10. Epilog　315

Appendix 1: Editor Summary　319

Appendix 2: hoc Manual　329

Appendix 3: hoc Listing　335

Index　349