In article <668 at atcmpe.atcmp.nl> henk at atcmp.nl (Henk M. Keller) writes: > 3>&1 will probably be implemented as > close(3); /* To ensure 3 is free */ > fcntl(1, F_DUPFD, 3); /* Returns lowest possible */ > /* 'dup'ed file descr. >= 3 */ Or dup2(1,3). ---Dan