More on shells
Overview
Simple arithmetic
Arithmetic
expansion
Operators for arithmetic
expansion
The 'expr'
command
Pattern matching
Patterns
Examples of patterns
The case
statement
Entering and leaving the
shell
More about scripts with
options
Symbolic
links
Setting up terminals
Conventions used in
UNIX file systems
Summary
Exercises
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Summary
The following commands were introduced in this chapter
exit |
cause the shell to exit |
expr |
evaluate an expression |
getopts |
parse options for a utility |
set |
set options and positional parameters |
tabs |
reset the tab positions |
tput |
change terminal characteristics |
unset |
unset options and positional parameters |
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