September 2002
Beginner to intermediate
216 pages
7h 43m
English
The following commands include shells and programs useful in shell scripts.
A command that repeats command-line arguments on standard output.
A command that performs arithmetic and comparisons.
A command that reads a line of input.
A command that makes sure that a file is accessed by only one script at a time.
The Practical Extraction and Report Language.
A command that formats and prints command-line arguments.
A standard Unix shell.
A command that causes a pause during processing.
The Tool Command Language (Tcl) shell.
A command that tests a condition.
A command that reads arguments from standard input and passes them to a command.
An enhanced Unix shell.