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An environment variable is a user-definable value that can affect the way running processes will behave on a computer. Environment variables are part of the ...
(For example, the "e" or "-e" option will display environment variables.) On such systems, ps commonly runs with the non-standard options aux, where "a" lists all processes on a terminal, including those of other users, "x" lists all processes without controlling terminals and "u" adds a column for the controlling user for each process. For ...
Windows PowerShell Integrated Scripting Environment (ISE): PowerShell 2.0 includes a GUI-based PowerShell host that provides integrated debugger, syntax highlighting, tab completion and up to 8 PowerShell Unicode-enabled consoles (Runspaces) in a tabbed UI, as well as the ability to run only the selected parts in a script.
Shell functions, especially if the command being created needs to modify the internal runtime environment of the shell itself (such as environment variables), needs to change the shell's current working directory, or must be implemented in a way which guarantees they it appear in the command search path for anything but an interactive shell ...
The default window title is defined in the %COMSPEC% environment variable. [5] However, since the Windows Console title can also be defined in the program shortcut, the title is usually set to "Command Prompt". The command is also available in the Command Processor Shell of Windows Embedded CE [6] and in the Take Command Console. [7]
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 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, which needs to boot from a floppy disk, is to configure a ram disk.
In PowerShell, help is a short form (implemented as a PowerShell function) for access to the Get-Help Cmdlet. Windows PowerShell includes an extensive, console-based help system, reminiscent of man pages in Unix. The help topics include help for cmdlets, providers, and concepts in PowerShell.