Windows/Linux uptime

program uptime; // Cor van Wandelen 23-12-2020 // returns the uptime in days // Freepascal code, compiles to executable to be used in Windows or Linux uses SysUtils, Classes; function UpTime: string; const ticksperday: int64 = 1000 * 60 * 60 * 24; var t : int64; d :...