KK, I am running CentOS 5, update 1 ( == RHEL 5.1) and thought I would mimic your test. $ uname -a Linux stxsl 2.6.18-53.1.4.el5.stxsl #1 SMP Tue Jan 8 21:29:57 GMT 2008 i686 i686 i386 GNU/Linux $ rpm -q glibc glibc-2.5-18.el5_1.1 $ ldd zxc linux-gate.so.1 => (0x00343000) libc.so.6 => /lib/libc.so.6 (0x00b3d000) /lib/ld-linux.so.2 (0x0016e000) $ cat zxc.c #include <stdio.h> #include <stdlib.h> #include <unistd.h> main() { int a = 0; while (1) { printf("XXX(%d)",++a); (void) sleep(1); if (fork() == 0) { printf("\n"); exit(0); } } } $ ./zxc XXX(1) XXX(1)XXX(2) XXX(1)XXX(2)XXX(3) XXX(1)XXX(2)XXX(3)XXX(4) XXX(1)XXX(2)XXX(3)XXX(4)XXX(5) XXX(1)XXX(2)XXX(3)XXX(4)XXX(5)XXX(6) $ You are not alone! Regards, Alan. _________________________________________________________________ Free games, great prizes - get gaming at Gamesbox. http://www.searchgamesbox.com-- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list