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
Drink can UK 440 ml is commonly used for lager and cider. In Austria energy drinks are usually sold in sizes 200 to 330 ml. In Hong Kong most cans are 330 ml. In India standard cans are 500 ml. In Japan the most common sizes are 350 ml and 500 ml. Larger and smaller cans are also sold. In South Korea 250 ml cans are the most common for soft drinks. However, when accompanying take out food (such as pizza or chicken), a short 245 ml can is standard. Recently, some 355 ml cans which are similar to North American cans