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Finally, the path and the arguments of an external program are given. As usual, the first argument is the program name. In the example, inetd is told to launch the program /usr/sbin/telnetd with the command line arguments telnetd -a. inetd automatically hooks the socket to stdin, stdout, and stderr of the server program.
ipconfig, a command similar to ifconfig, comes with Microsoft operating-systems based on the Windows NT kernel. ipconfig also controls the Windows DHCP client. In macOS, the ifconfig command functions as a wrapper to the IPConfiguration agent, and can control the BootP and DHCP clients from the command-line. Use of ifconfig to modify network ...
Cut out selected fields of each line of a file System III cxref: C programming Optional (XSI) Generate a C-language program cross-reference table System V date: Misc Mandatory Display the date and time Version 1 AT&T UNIX dd: Filesystem Mandatory Convert and copy a file Version 5 AT&T UNIX delta: SCCS Optional (XSI) Make a delta (change) to an ...
Support for command history means that a user can recall a previous command into the command-line editor and edit it before issuing the potentially modified command. Shells that support completion may also be able to directly complete the command from the command history given a partial/initial part of the previous command.
A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems. The shell is both an interactive command language and a scripting language, and is used by the operating system to control the execution of the system using shell scripts. [2]
Berkeley sockets originated with the 4.2BSD Unix operating system, released in 1983, as a programming interface.Not until 1989, however, could the University of California, Berkeley release versions of the operating system and networking library free from the licensing constraints of AT&T Corporation's proprietary Unix.
In most Linux distributions, the full list of possible options and their description is accessible with a "man xinetd.conf" command. To apply the new configuration, a SIGHUP signal must be sent to the xinetd process to make it re-read the configuration files. This can be achieved with the following command: kill -SIGHUP "PID".
It is developed for the Debian Linux distribution, and is closely integrated with Debian's package management system, dpkg. When packages are being installed, debconf asks the user questions which determine the contents of the system-wide configuration files associated with that package.