| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | isatty | 3c | 750 |
| linux | isatty | 3 | 654 |
| posix | isatty | 3p | 643 |
| v7 | isatty | 3 | 639 |
| xfree86 | isatty | 3 | 620 |
| sunos | isatty | 3c | 601 |
| php | isatty | 3 | 594 |
| opendarwin | isatty | 3 | 541 |
| osf1 | atty | 7 | 541 |
| plan9 | isatty | 3 | 539 |
| redhat | isatty | 3 | 533 |
| mojave | isatty | 3 | 528 |
| osx | isatty | 3 | 507 |
| x11r4 | isatty | 3 | 506 |
| freebsd | isatty | 3 | 477 |
| suse | isatty | 3p | 464 |
| suse | isatty | 3 | 463 |
| centos | isatty | 3p | 462 |
| netbsd | isatty | 3 | 461 |
| osf1 | isatty | 3 | 460 |
| minix | isatty | 3 | 448 |
| posix | isatty | 3posix | 445 |
| hpux | isatty | 3c | 429 |
| debian | isatty | 3 | 422 |
| centos | isatty | 3 | 421 |
| redhat | qimageformattype | 3qt | 420 |
| bsd | isatty | 3f | 390 |
| ultrix | isatty | 3 | 321 |
| centos | qimageformattype | 3qt | 305 |
| php | posix_isatty | 3 | 210 |