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 impact was uneventful, but the historical impact is considered today to have been a watershed. The gallery audience was unsure what to make of the exhibit. A John Coplans "Artforum" article, which was in part spurred on by the responding display of dozens of soup cans by a nearby gallery with a display advertising them at three for 60 cents, encouraged people to take a stand on Warhol. Few actually saw the paintings at the Los Angeles exhibit or at Warhol's studio, but word spread in the form of controversy and scandal due to the work's seeming attempt to replicate