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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 ...
The rsh command has the same name as another common UNIX utility, the restricted shell, which first appeared in PWB/UNIX; in System V Release 4, the restricted shell is often located at /usr/bin/rsh. As other Berkeley r-commands which involve user authentication, the rsh protocol is not secure for network use, because it sends unencrypted ...
R Commander (Rcmdr) is a GUI for the R programming language, licensed under the GNU General Public License, and developed and maintained by John Fox in the sociology department at McMaster University. [2] Rcmdr looks and works similarly to SPSS GUI by providing a menu of analytic and graphical methods. It also displays the underlying R code ...
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It is used for any file that contains startup information for a command. From Brian Kernighan and Dennis Ritchie : [ 5 ] [ 6 ] There was a facility that would execute a bunch of commands stored in a file; it was called runcom for "run commands", and the file began to be called "a runcom". rc in Unix is a fossil from that usage.
Starting with Windows 95, the Run command is accessible through the Start menu and also through the shortcut key ⊞ Win+R.Although the Run command is still present in Windows Vista and later, it no longer appears directly on the Start menu by default, in favor of the new search box and a shortcut to the Run command in the Windows System sub-menu.
Run time is the execution phase, when the central processing unit executes the program's machine code instructions. Programs may run indefinitely. Programs may run indefinitely. If execution terminates it will either be normal, expected behavior or an abnormality such as a crash .
A runtime library is a library that provides access to the runtime environment that is available to a computer program – tailored to the host platform.A runtime environment implements the execution model as required for a development environment such as a particular programming language. [1]