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Articles related to command line option

OptionParser--Parsing Command-line Options the Ruby Way
Ruby comes equipped with a powerful and flexible tool to parse command-line options, OptionParser. Once you learn how to use this, you'll never go back to ...
Command-line Options--Long Form and Short ... - Ruby - About.com
There are two forms of command-line options: long form and short form. Both long and short form options take arguments, each a little differently.
Shutdown Command (Examples, Options, Switches, & More)
The shutdown command is a Command Prompt command that can be used to shut down, restart, log off, or hibernate your own computer. The shutdown ...
Linux Quake How-To - 2.2 Command Line Options
Command Line Options are extra parameters that are typed on the Linux command line following the program's name. Quake has a large number of them, some ...
Use OptionParser to Parse Commands in Ruby - About.com
Using OptionParser to parse command line options is a preferable alternative to GetoptLong or looking through ARGV manually. But how do you use it?
wget - Linux Command - Unix Command
-h: --help: Print a help message describing all of Wget's command-line options. -b : --background: Go to background immediately after startup. If no output file is ...
mail - Linux Command - Unix Command
Learn about its synopsis, description, options, and examples. ... -s: Specify subject on command line (only the first argument after the -s flag is used as a subject; ...
ps - Linux Command - Unix Command
COMMAND-LINE OPTIONS. This version of ps accepts several kinds of options. Unix98 options may be grouped and must be preceeded by a dash.
top - Linux Command - Unix Command
In this mode, top will not accept command line input. It runs until it produces the number of iterations requested with the n option or until killed. Output is plain text  ...
ls - Linux Command - Unix Command
Learn about its synopsis, description, options, and examples. ... of 1000 not 1024; -H, --dereference-command-line: follow symbolic links on the command line ...
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