The Bourne shell is an interactive command and programming language that provides an interface to UNIX. As an interactive command language, it is responsible for reading and executing the commands that you enter at your terminal. As a programming language, its special commands allow you to write sophisticated programs. It also provides the ability to customize your working environment. The Bourne shell was the original shell available with the earlier versions of UNIX. Later, the Korn and C shells were added.

INTRODUCTION

COMMAND EXECUTION

REDIRECTING INPUT/OUTPUT

FILENAME SUBSTITUTION

VARIABLES

VARIABLE SUBSTITUTION

SPECIAL PARAMETERS

SPECIAL VARIABLES

QUOTING

JOB CONTROL

OPTIONS

CONDITIONAL EXPRESSIONS

CONTROL COMMANDS

COMMANDS

FUNCTIONS

RESTRICTED SHELL

DEBUGGING BOURNE SHELL SCRIPTS

FILES

REGULAR EXPRESSIONS

MISC COMMANDS

awk/nawk

cut

echo

egrep

expr

grep

paste

sed

sort

tr

uniq

wc

EXAMPLE COMMANDS

EXAMPLE BOURNE SHELL SCRIPTS

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