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 topics for those who had not even seen the piece. Warhol's pop art can be seen as a relation to Minimal art in the sense that it attempts to portray objects in their most simple, immediately recognizable form. Pop art eliminates overtones and undertones that would otherwise be associated with representations. Warhol clearly changed the concept of art appreciation. Instead of harmonious three-dimensional arrangements of objects, he chose mechanical derivatives of commercial illustration with an emphasis on the packaging. His variations of multiple soup cans, for example, made the process of repetition an appreciated technique: "If you take a Campbell's