| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | aa-disable | 8 | 1,342 |
| centos | isa | 4 | 1,080 |
| opensolaris | isatty | 3c | 761 |
| posix | isalpha | 3p | 701 |
| linux | isalpha | 3 | 683 |
| netbsd | isa | 4 | 682 |
| minix | qdisable | 8b | 672 |
| linux | isatty | 3 | 666 |
| posix | isatty | 3p | 658 |
| v7 | isatty | 3 | 651 |
| freebsd | isalnum | 3 | 644 |
| xfree86 | isatty | 3 | 640 |
| netbsd | isapnp | 4 | 632 |
| bsd | isalist | 1 | 624 |
| v7 | qdisable | 8b | 618 |
| linux | isalist | 1 | 613 |
| sunos | isatty | 3c | 613 |
| php | isatty | 3 | 609 |
| xfree86 | isalist | 1 | 605 |
| redhat | isag | 1 | 594 |
| bsd | isalpha | 3 | 591 |
| freebsd | isalpha | 3 | 583 |
| opensolaris | nisauthconf | 1m | 583 |
| netbsd | ahcisata | 4 | 582 |
| posix | isalist | 1 | 576 |
| freebsd | qdisable | 8b | 571 |
| netbsd | siisata | 4 | 565 |
| osx | isalnum | 3 | 562 |
| mojave | isalnum | 3 | 561 |
| opendarwin | isatty | 3 | 556 |
| netbsd | ofisa | 4 | 551 |
| suse | isalpha | 3 | 549 |
| netbsd | isalpha | 3 | 548 |
| plan9 | isatty | 3 | 547 |
| mojave | isalpha | 3 | 544 |
| debian | isag | 1 | 544 |
| redhat | isatty | 3 | 543 |
| mojave | isatty | 3 | 540 |
| netbsd | isascii | 3 | 540 |
| redhat | ndisasm | 1 | 540 |
| hpux | qdisable | 8b | 539 |
| netbsd | eisa | 4 | 536 |
| suse | isalist | 1 | 535 |
| netbsd | isalnum | 3 | 533 |
| redhat | isalpha | 3 | 532 |
| osx | ndisasm | 1 | 532 |
| mojave | isalnum_l | 3 | 529 |
| linux | myisamlog | 1 | 527 |
| debian | disable | 1 | 527 |
| x11r4 | isatty | 3 | 522 |