where does the show desktop option available in windows 7
Features new to Windows 7 In previous versions of Windows, the taskbar ended with the notification area on the right-hand side. Windows 7, however, introduces a show desktop button on the far right side of the taskbar which can initiate an Aero Peek feature that makes all open windows translucent when hovered over by a mouse cursor. Clicking this button shows the desktop, and clicking it again brings all windows to focus. The new button replaces the show desktop shortcut located in the Quick Launch toolbar in previous versions of Windows.[29]
Hyper-V Hyper-V management tools are not compatible with Windows Vista Home Basic or Home Premium[51][51] or Windows 7 Home Premium, Home Basic or Starter.
Esc key It is now generally placed at the top left corner of the keyboard, a convention dating at least to the original IBM PC keyboard, though the key itself originated decades earlier with teletypewriters.
Windows 7 Windows 7 Service Pack 1 (SP1) was announced on March 18, 2010. A beta was released on July 12, 2010.[116][117][118] The final version was released to the public on February 22, 2011.[119] At the time of release, it was not made mandatory. It was available via Windows Update, direct download, or by ordering the Windows 7 SP1 DVD.[120] The service pack is on a much smaller scale than those released for previous versions of Windows, particularly Windows Vista.[121]
Command-line interface Today, many end users rarely, if ever, use command-line interfaces and instead rely upon graphical user interfaces and menu-driven interactions. However, many software developers, system administrators and advanced users still rely heavily on command-line interfaces to perform tasks more efficiently, configure their machine, or access programs and program features that are not available through a graphical interface.
Single user mode Unix-like operating systems provide single user mode functionality either through the System V-style runlevels, BSD-style boot-loader options, or other boot-time options.