Steve Parker 
Shell Scripting [PDF ebook] 
Expert Recipes for Linux, Bash, and more

INTRODUCTION xxix
PART I: ABOUT THE INGREDIENTS.
CHAPTER 1: THE HISTORY OF UNIX, GNU, AND LINUX 3
CHAPTER 2: GETTING STARTED 15
CHAPTER 3: VARIABLES 33
CHAPTER 4: WILDCARD EXPANSION 67
CHAPTER 5: CONDITIONAL EXECUTION 83
CHAPTER 6: FLOW CONTROL USING LOOPS 111
CHAPTER 7: VARIABLES CONTINUED 139
CHAPTER 8: FUNCTIONS AND LIBRARIES 161
CHAPTER 9: ARRAYS 199
CHAPTER 10: PROCESSES 219
CHAPTER 11: CHOOSING AND USING SHELLS 255
PART II: RECIPES FOR USING AND EXTENDING SYSTEMTOOLS.
CHAPTER 12: FILE MANIPULATION 279
CHAPTER 13: TEXT MANIPULATION 315
CHAPTER 14: TOOLS FOR SYSTEMS ADMINISTRATION 353
PART III: RECIPES FOR SYSTEMS ADMINISTRATION.
CHAPTER 15: SHELL FEATURES 409
CHAPTER 16: SYSTEMS ADMINISTRATION 427
CHAPTER 17: PRESENTATION 459
CHAPTER 18: DATA STORAGE AND RETRIEVAL 471
CHAPTER 19: NUMBERS 483
CHAPTER 20: PROCESSES 501
CHAPTER 21: INTERNATIONALIZATION 517
PART IV: REFERENCE.
APPENDIX: FURTHER READING 529
GLOSSARY 533
INDEX 539

Steve Parker is an IT consultant specializing in Solaris and GNU/Linux. He has been providing consultancy services for more than a decade. He is the author of the popular Bourne Shell Programming/Scripting Tutorial (http://steve-parker.org/sh/sh.shtml), which sees more than one million visitors a year.