True and false (commands) True and false (commands) In Unix-like operating systems, codice_1 and codice_2 are commands whose only function is to always return with a predetermined exit status. Programmers and scripts often use the exit status of a command to assess success (exit status zero) or failure (non-zero) of the command. The codice_1 and codice_2 commands represent the logical values of command success, because "true" returns 0, and "false" returns 1. The commands are usually employed in conditional statements and loops of shell scripts. For example, the following shell script repeats the "echo hello" loop until interrupted: while true do done The commands
Campbell's Soup Cans Soup can and repeat it fifty times, you are not interested in the retinal image. According to Marcel Duchamp, what interests you is the concept that wants to put fifty Campbell's Soup cans on a canvas." The regimented multiple can depictions almost become an abstraction whose details are less important than the panorama. In a sense, the representation was more important than that which was represented. Warhol's interest in machinelike creation during his early pop art days was misunderstood by those in the art world, whose value system was threatened by mechanization. In Europe, audiences had a very different take