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Remove directories, if they are empty. Version 1 AT&T UNIX sact: SCCS Optional (XSI) Print current SCCS file-editing activity System III sccs: SCCS: Optional (XSI) Front end for the SCCS subsystem 4.3BSD sed: Text processing Mandatory Stream editor Version 7 AT&T UNIX sh: Shell programming Mandatory Shell, the standard command language interpreter
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.
ISPConfig is an open source hosting control panel for Linux, licensed under BSD license and developed by the company ISPConfig UG. [2] The ISPConfig project was started in autumn 2005 by Till Brehm from the German company projektfarm GmbH.
getopt is a system dependent function, and its behavior depends on the implementation in the C library. Some custom implementations like gnulib are available, however. [6]The conventional (POSIX and BSD) handling is that the options end when the first non-option argument is encountered, and that getopt would return -1 to signal that.
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 :
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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.
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.