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
Val de Cans International Airport of the old terminal was built and after its opening, the old terminal was demolished to give place for an extension to the new terminal. This new extended terminal greatly increased the comfort and area available to passengers by adding 6 jetways. The airport is located from downtown Belém. Val de Cans International Airport Belém/Val de Cans–Júlio Cezar Ribeiro International Airport is the main airport serving Belém, Brazil. Val de Cans (sometimes spelled Val de Cães) is the name of the neighborhood where the airport is located. Since 13 April 2010 the airport is named also after (1837–1887) a researcher