Control-C else, typically returning control to the user. Ctrl-C was one of a handful of keyboard sequences chosen by the program designers at Xerox PARC to control text editing, with Ctrl-Z (Undo), Ctrl-X (Cut), Ctrl-V (Paste), and Ctrl-P (Print). The first four letters are all located together at the left end of the bottom row of the standard QWERTY keyboard, and P towards the upper right. The equivalent key combination on Macintosh computers is Command-C. Control-C as an abort command was popularized by TOPS-20 and TOPS-10 and adopted by other systems including Unix. It was also adopted by Digital Equipment operating
Tamil keyboard on 13 June 1999. Designed for use with a normal QWERTY keyboard, typing follows a consonant-vowel pattern. The arrangement of the characters allow for fast and simple typing for users familiar with the script. InScript (Indian Script) is the standard keyboard for Indian scripts. It is a touch typing keyboard layout for computer. This keyboard layout is standardized by Government of India for inputting text in languages of India written in Brahmic scripts, as well as the Santali language, written in the non-Brahmic Ol Chiki script. It was developed by Indian Government and supported by several public and private organisations.