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The r-commands were developed in 1982 by the Computer Systems Research Group at the University of California, Berkeley, based on an early implementation of TCP/IP (the protocol stack of the Internet). [2] The CSRG incorporated the r-commands into their Unix operating system, the Berkeley Software Distribution (BSD). The r-commands premiered in ...
iTerm2 is a free and open-source terminal emulator for macOS, licensed under GPL-2.0-or-later. It was derived from and has mostly supplanted the earlier "iTerm" application. iTerm2 supports operating system features such as window transparency, full-screen mode, split panes, Exposé Tabs, Growl notifications, and standard keyboard shortcuts.
CheckInstall is a computer program for Unix-like operating systems which eases the installation and uninstallation of software compiled from source by making use of package management systems. After software compilation it can automatically generate a Slackware -, RPM -, or Debian -compatible package that can later be cleanly uninstalled ...
Installation testing may look for errors that occur in the installation process that affect the user's perception and capability to use the installed software. There are many events that may affect the software installation and installation testing may test for proper installation whilst checking for a number of associated activities and events.
On these computers, users can access a Unix-like command-line interface by running the terminal emulator program called Terminal, which is found in the Utilities sub-folder of the Applications folder, or by remotely logging into the machine using ssh. Z shell is the default shell for macOS; Bash, tcsh, and the KornShell are also provided.
Load time is when the OS takes the program's executable from storage, such as a hard drive, and places it into active memory, in order to begin execution. Run time is the execution phase, when the central processing unit executes the program's machine code instructions. Programs may run indefinitely.
A dry run (or practice run) is a software testing process used to make sure that a system works correctly and will not result in severe failure. [1] For example, rsync, a utility for transferring and synchronizing data between networked computers or storage drives, has a "dry-run" option users can use to check that their command-line arguments are valid and to simulate what would happen when ...
If time or size is different between the systems, it transfers the file from the sending to the receiving system. As this only requires reading file directory information, it is quick, but it will miss unusual modifications which change neither. [8] Rsync performs a slower but comprehensive check if invoked with --checksum. This forces a full ...