| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | waitpid | 2 | 3,444 |
| linux | waitpid | 3 | 1,525 |
| v7 | getpid | 2 | 1,276 |
| minix | getpid | 2 | 1,070 |
| freebsd | acpidump | 8 | 1,069 |
| v7 | waitpid | 3c | 1,028 |
| netbsd | acpidump | 8 | 870 |
| minix | waitpid | 3c | 835 |
| freebsd | acpidb | 8 | 833 |
| sunos | waitpid | 3c | 724 |
| opensolaris | nfsmapid | 1m | 721 |
| linux | pidstat | 1 | 718 |
| php | waitpid | 3c | 700 |
| opensolaris | waitpid | 3c | 697 |
| posix | waitpid | 3p | 696 |
| freebsd | getpid | 2 | 686 |
| linux | getpid | 2 | 686 |
| x11r4 | waitpid | 3c | 671 |
| plan9 | waitpid | 3c | 665 |
| bsd | waitpid | 2 | 663 |
| debian | acpidump | 1 | 661 |
| redhat | pidof | 8 | 661 |
| debian | waitpid | 2 | 655 |
| freebsd | pidfile | 3 | 639 |
| xfree86 | waitpid | 3c | 637 |
| centos | pidof | 8 | 620 |
| suse | waitpid | 3p | 618 |
| freebsd | waitpid | 2 | 617 |
| opensolaris | getpid | 2 | 617 |
| bsd | pidof | 8 | 604 |
| posix | getppid | 3p | 596 |
| linux | getppid | 2 | 595 |
| posix | getpid | 3p | 588 |
| linux | pidof | 8 | 585 |
| sunos | nfsmapid | 1m | 583 |
| centos | getpid | 2 | 570 |
| suse | pidof | 8 | 567 |
| v7 | pidof | 8 | 562 |
| xfree86 | pidof | 8 | 559 |
| centos | acpidump-acpica | 1 | 549 |
| bsd | getpid | 2 | 539 |
| posix | pidof | 8 | 538 |
| debian | getpid | 2 | 529 |
| hpux | waitpid | 2 | 529 |
| x11r4 | getpid | 3p | 524 |
| debian | pidof | 8 | 523 |
| netbsd | pidfile | 3 | 517 |
| linux | waitpid | 2 | 516 |
| suse | getpid | 2 | 509 |
| minix | pidof | 8 | 504 |