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 Ferus Gallery in Los Angeles. This would be Warhol's first one-man show of his pop art. Warhol was assured by Blum that the newly founded "Artforum magazine", which had an office above the gallery, would cover the show. Not only was the show Warhol's first solo gallery exhibit, but it was considered to be the West Coast premiere of pop art. Andy Warhol's first New York solo Pop exhibit was hosted at Eleanor Ward's Stable Gallery November 6–24, 1962. The exhibit included the works "Marilyn Diptych", "Green Coca-Cola Bottles", and "Campbell's Soup Cans". Warhol sent Blum thirty-two canvases of Campbell's