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The variable's contents can be displayed by typing SET COMSPEC or ECHO %COMSPEC% at the command prompt. The environment variable by default points to the full path of the command line interpreter. It can also be made by a different company or be a different version. Another use of this environment variable is on a computer with no hard disk ...
Windows 10: Windows Command Prompt: Text-based shell (command line interpreter) that provides a command line interface to the operating system Windows NT 3.1: PowerShell: Command-line shell and scripting framework. Windows XP: Windows Shell: The most visible and recognizable aspect of Microsoft Windows.
Pages in category "Windows environment variables" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. A.
Alternatively, from command shells such as bash, a user can change environment variables for a particular command invocation by indirectly invoking it via env or using the ENVIRONMENT_VARIABLE=VALUE <command> notation. A running program can access the values of environment variables for configuration purposes.
cmd.exe in Windows NT 2000, 4DOS, 4OS2, 4NT, and a number of third-party solutions allow direct entry of environment variables from the command prompt. From at least Windows 2000, the set command allows for the evaluation of strings into variables, thus providing inter alia a means of performing integer arithmetic.
[1] [2] It has been bundled with Windows since Windows NT 4.0. It compiles technical information on the overall system, hardware resources (including memory, I/O, etc.), physical hardware components (CD-ROM, sound, network, etc.), and the Windows environment as well (drivers, environment variables, services, etc.).
The DELTREE command was merged into the RD command, as part of its /S switch. SetLocal and EndLocal commands limit the scope of changes to the environment. Changes made to the command line environment after SetLocal commands are local to the batch file. EndLocal command restores the previous settings. [17] The Call command allows subroutines ...
The chkdsk command on Windows XP. CHKDSK can be run from DOS prompt, Windows Explorer, Windows Command Prompt, Windows PowerShell or Recovery Console. [10] On Windows NT operating systems, CHKDSK can also check the disk surface for bad sectors and mark them (in MS-DOS 6.x and Windows 9x, this is a task done by Microsoft ScanDisk).