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The runas command was introduced with the Windows 2000 operating system. [2] Any application can use this API to create a process with alternate credentials, for example, Windows Explorer in Windows 7 allows an application to be started under a different account if the shift key is held while right clicking its icon .
Some DOS application programs do not expect drive letters beyond Z: and will not work with them, therefore it is recommended to use them for special purposes or search drives. JP Software's 4DOS command line processor supports drive letters beyond Z: in general, but since some of the letters clash with syntactical extensions of this command ...
Pip's command-line interface allows the install of Python software packages by issuing a command: pip install some-package-name. Users can also remove the package by issuing a command: pip uninstall some-package-name. pip has a feature to manage full lists of packages and corresponding version numbers, possible through a "requirements" file. [14]
The ln shell command normally uses the link [7] system call, which creates a hard link. When the ln -s flag is specified, the symlink() system call is used instead, creating a symbolic link. Symlinks were introduced in 1982 in 4.1a BSD Unix from U.C. Berkeley. [8] The following command creates a symbolic link at the command-line interface (shell):
In MS-DOS, a batch file can be started from the command-line interface by typing its name, followed by any required parameters and pressing the ↵ Enter key. When DOS loads, the file AUTOEXEC.BAT, when present, is automatically executed, so any commands that need to be run to set up the DOS environment may be placed in this file.
In DOS, OS/2 and Windows command-line interpreters such as COMMAND.COM and CMD.EXE, an environment variable is retrieved by placing a % sign before and after it. In DOS, OS/2 and Windows command-line interpreters as well as their API, upper or lower case is not distinguished for environment variable names.
The command is also available in FreeDOS [5] and PTS-DOS. [6] The Windows SUBST command is available in supported versions of the command line interpreter cmd.exe. [7] In Windows NT, SUBST uses DefineDosDevice() to create the disk mappings. The JOIN command is the "opposite" of SUBST, because JOIN will take a drive letter and make it appear as ...
In most computer file systems, every directory has an entry (usually named ".") which points to the directory itself.In most DOS and UNIX command shells, as well as in the Microsoft Windows command line interpreters cmd.exe and Windows PowerShell, the working directory can be changed by using the CD or CHDIR commands.