True and false (commands) Bash: 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
Campbell's Soup Cans Campbell's Soup can paintings. It is composed of ten rows and twenty columns of numerous flavors of soups. Experts point to it as one of the most significant works of pop art both as a pop representation and as conjunction with immediate predecessors such as Jasper Johns and the successors movements of Minimal and Conceptual art. The very similar "100 Cans" from the Albright-Knox Art Gallery collection is shown above. The earliest soup can painting seems to be "Campbell's Soup Can (Tomato Rice)," a 1960 ink, tempera, crayon, and oil canvas. In many of the works, including the original series,