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In computer programming, a usage message or help message is a brief message displayed by a program that utilizes a command-line interface for execution. This message usually consists of the correct command line usage for the program and includes a list of the correct command-line arguments or options acceptable to said program.
An MS-DOS command line, illustrating parsing into command and arguments. A command-line argument or parameter is an item of information provided to a program when it is started. [20] A program can have many command-line arguments that identify sources or destinations of information, or that alter the operation of the program.
Command substitution allows the output of one command to be used as arguments to another. `command` means take the output of command, parse it into words and paste them back into the command line. The following is an example of nested command substitutions with Leaning toothpick syndrome :
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
Command argument completion is the completion of a specific command's arguments. There are two types of arguments, named and positional: Named arguments, often called options, are identified by their name or letter preceding a value, whereas positional arguments consist only of the value. Some shells allow completion of argument names, but few ...
1. Search your inbox for the subject line 'Get Started with AOL Desktop Gold'. 2. Open the email. 3. Click Download AOL Desktop Gold or Update Now. 4. Navigate to your Downloads folder and click Save. 5. Follow the installation steps listed below.
Webmin is a web-based server management control panel for Unix-like systems. Webmin allows the user to configure operating system internals, such as users, disk quotas, services and configuration files, as well as modify and control open-source apps, such as BIND, Apache HTTP Server, PHP, and MySQL. [6] [7]
Bitcoin could soar to $500,000 if Trump creates a national reserve, Bitwise CIO Matt Hougan said.. The US creating a national stockpile will influence other countries to follow suit, he predicted ...