Substitute character actions than the last one can also be undone by pressing multiple times. was one of a handful of keyboard sequences chosen by the program designers at Xerox PARC to control text editing. Presumably these particular keystrokes were chosen because of their location on a standard QWERTY keyboard, since the Z (undo), X (cut), C (copy), and V (paste) keys are located together at the left end of the bottom row of the standard QWERTY keyboard. Substitute character A substitute character (␚) is a control character that is used in the place of a character that is recognized to be
HTC Desire Z long press of the power button. After having been shipped originally with Android 2.2.1 (Froyo), OTA updates have now been pushed which upgraded the firmware to Android 2.3.3 (Gingerbread) with the HTC Sense 2.1. Unofficial versions beyond official 2.3.3 are also available, as well as an early port of Sailfish OS. HTC Desire Z has an aluminium shell and QWERTY keyboard with three programmable keys. The smartphone has an 800 × 480 3.7-inch Super LCD capacitive touchscreen. The HTC Desire Z has a 5-megapixel camera with flash on the rear side. The camera is capable of recording 720p video. The