| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | isatty | 3c | 635 |
| linux | isatty | 3 | 583 |
| v7 | isatty | 3 | 563 |
| posix | isatty | 3p | 561 |
| sunos | isatty | 3c | 532 |
| php | isatty | 3 | 530 |
| xfree86 | isatty | 3 | 514 |
| osf1 | atty | 7 | 475 |
| opendarwin | isatty | 3 | 471 |
| plan9 | isatty | 3 | 462 |
| x11r4 | isatty | 3 | 455 |
| redhat | isatty | 3 | 455 |
| mojave | isatty | 3 | 450 |
| osx | isatty | 3 | 424 |
| freebsd | isatty | 3 | 418 |
| suse | isatty | 3p | 418 |
| centos | isatty | 3p | 413 |
| posix | isatty | 3posix | 407 |
| suse | isatty | 3 | 396 |
| osf1 | isatty | 3 | 386 |
| minix | isatty | 3 | 383 |
| redhat | qimageformattype | 3qt | 382 |
| netbsd | isatty | 3 | 379 |
| centos | isatty | 3 | 369 |
| debian | isatty | 3 | 369 |
| hpux | isatty | 3c | 351 |
| bsd | isatty | 3f | 340 |
| ultrix | isatty | 3 | 275 |
| centos | qimageformattype | 3qt | 266 |
| php | posix_isatty | 3 | 190 |