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COMSPEC or ComSpec is one of the environment variables used in DOS, OS/2 and Windows, which normally points to the command line interpreter, which is by default COMMAND.COM in DOS, [1] Windows 95, 98, and ME or CMD.EXE in OS/2 and Windows NT. The variable name is written in all-uppercase under DOS and OS/2. Under Windows, which also supports ...
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.
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 within batch file. The Call command in COMMAND.COM only supports calling ...
The command is also available in the Command Processor Shell of Windows Embedded CE [6] and in the Take Command Console. [7] Although the OS/2 command shell is closely related to the Windows Command Prompt, the title command is not available in the OS/2 version of cmd.exe. The default title of the OS/2 shell window is "OS/2 Window". It can be ...
Basic Window commands These basic PC keyboard shortcuts will work on all applications, browsers, and programs, as well as Windows 10 and earlier versions including Windows 8.
A command prompt (or just prompt) is a sequence of (one or more) characters used in a command-line interface to indicate readiness to accept commands. It literally prompts the user to take action. A prompt usually ends with one of the characters $ , % , # , [ 18 ] [ 19 ] : , > or - [ 20 ] and often includes other information, such as the path ...
Displays or change the value of the PROMPT environment variable which controls the appearance of the prompt. RENAME, REN Renames a file or directory. RMDIR, RD Removes an empty directory. SET Sets the value of an environment variable; without arguments, shows all defined environment variables. TIME Display and set the time of the system. TRUENAME
Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt. General keyboard shortcuts