| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | waitpid | 2 | 3,161 |
| linux | waitpid | 3 | 1,410 |
| v7 | getpid | 2 | 1,076 |
| minix | getpid | 2 | 985 |
| freebsd | acpidump | 8 | 934 |
| v7 | waitpid | 3c | 873 |
| netbsd | acpidump | 8 | 749 |
| minix | waitpid | 3c | 717 |
| freebsd | acpidb | 8 | 715 |
| linux | pidstat | 1 | 640 |
| php | waitpid | 3c | 632 |
| opensolaris | nfsmapid | 1m | 617 |
| sunos | waitpid | 3c | 611 |
| linux | getpid | 2 | 593 |
| opensolaris | waitpid | 3c | 591 |
| debian | acpidump | 1 | 586 |
| debian | waitpid | 2 | 584 |
| freebsd | getpid | 2 | 581 |
| redhat | pidof | 8 | 579 |
| posix | waitpid | 3p | 577 |
| plan9 | waitpid | 3c | 576 |
| freebsd | pidfile | 3 | 568 |
| freebsd | waitpid | 2 | 565 |
| bsd | waitpid | 2 | 565 |
| suse | waitpid | 3p | 556 |
| centos | pidof | 8 | 554 |
| x11r4 | waitpid | 3c | 552 |
| opensolaris | getpid | 2 | 552 |
| xfree86 | waitpid | 3c | 549 |
| linux | getppid | 2 | 533 |
| bsd | pidof | 8 | 521 |
| linux | pidof | 8 | 516 |
| sunos | nfsmapid | 1m | 499 |
| posix | getppid | 3p | 493 |
| suse | pidof | 8 | 492 |
| posix | getpid | 3p | 485 |
| v7 | pidof | 8 | 480 |
| xfree86 | pidof | 8 | 476 |
| bsd | getpid | 2 | 474 |
| debian | getpid | 2 | 472 |
| centos | getpid | 2 | 471 |
| hpux | waitpid | 2 | 467 |
| posix | pidof | 8 | 461 |
| centos | acpidump-acpica | 1 | 453 |
| debian | pidof | 8 | 447 |
| linux | waitpid | 2 | 445 |
| x11r4 | getpid | 3p | 444 |
| suse | getpid | 2 | 444 |
| mojave | nfs4mapid | 8 | 429 |
| minix | pidof | 8 | 425 |