| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | isatty | 3c | 875 |
| linux | isatty | 3 | 776 |
| posix | isatty | 3p | 766 |
| xfree86 | isatty | 3 | 754 |
| v7 | isatty | 3 | 743 |
| sunos | isatty | 3c | 728 |
| php | isatty | 3 | 701 |
| redhat | isatty | 3 | 656 |
| opendarwin | isatty | 3 | 652 |
| plan9 | isatty | 3 | 631 |
| osf1 | atty | 7 | 629 |
| mojave | isatty | 3 | 619 |
| x11r4 | isatty | 3 | 602 |
| osx | isatty | 3 | 598 |
| netbsd | isatty | 3 | 586 |
| freebsd | isatty | 3 | 577 |
| suse | isatty | 3p | 562 |
| suse | isatty | 3 | 559 |
| osf1 | isatty | 3 | 542 |
| centos | isatty | 3 | 539 |
| minix | isatty | 3 | 536 |
| centos | isatty | 3p | 534 |
| hpux | isatty | 3c | 520 |
| redhat | qimageformattype | 3qt | 519 |
| posix | isatty | 3posix | 509 |
| debian | isatty | 3 | 507 |
| bsd | isatty | 3f | 473 |
| centos | qimageformattype | 3qt | 393 |
| ultrix | isatty | 3 | 382 |
| php | posix_isatty | 3 | 257 |