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If they wish to try a different version of the port, they can deactivate their current version and activate the new one. This does not uninstall the old port since it can easily be activated again from the archived files. [69] [12] When upgrading a port, MacPorts deactivates but does not uninstall the current version as a safety feature.
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 settings in Mac OS X is discouraged, because ifconfig operates below the level of the system frameworks which help manage network configuration.
Foreign Address – The IP address and port number of the remote computer to which the socket is connected. The names that corresponds to the IP address and the port are shown unless the -n parameter is specified. If the port is not yet established, the port number is shown as an asterisk (*). State – Indicates the state of a TCP connection.
XNU ("X is Not Unix") is the computer operating system (OS) kernel developed at Apple Inc. since December 1996 for use in the Mac OS X (now macOS) operating system and released as free and open-source software as part of the Darwin OS, which, in addition to being the basis for macOS, is also the basis for Apple TV Software, iOS, iPadOS, watchOS, visionOS, and tvOS.
Mac OS X v10.2.8 7.0 October 24, 2003 Mac OS X Panther: Mac OS X v10.3.0 BSD layer synchronized with FreeBSD 5; Automatic file defragmentation, hot-file clustering and optional case sensitivity in HFS+; Bash instead of tcsh as default shell; Read-only NTFS support (Darwin 7.9) [29] 7.9 April 15, 2005 Mac OS X v10.3.9 8.0 April 29, 2005
In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system , a port is a logical construct that identifies a specific process or a type of network service .
launchd has two main tasks. The first is to boot the system, and the second is to load and maintain services.. Here is a simplified view of the Mac OS X Tiger system startup on a PowerPC Mac (on an Intel Mac, EFI replaces Open Firmware and boot.efi replaces BootX):
RFCOMM is sometimes called serial port emulation. The Bluetooth serial port profile (SPP) is based on this protocol. RFCOMM provides a simple reliable data stream to the user, similar to TCP. It is used directly by many telephony related profiles as a carrier for AT commands, as well as being a transport layer for OBEX over Bluetooth.