| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | isatty | 3 | 468 |
| v7 | isatty | 3 | 447 |
| opensolaris | isatty | 3c | 446 |
| posix | isatty | 3p | 435 |
| php | isatty | 3 | 418 |
| sunos | isatty | 3c | 406 |
| osf1 | atty | 7 | 399 |
| opendarwin | isatty | 3 | 387 |
| plan9 | isatty | 3 | 360 |
| xfree86 | isatty | 3 | 360 |
| redhat | isatty | 3 | 354 |
| x11r4 | isatty | 3 | 340 |
| mojave | isatty | 3 | 333 |
| freebsd | isatty | 3 | 332 |
| suse | isatty | 3p | 332 |
| centos | isatty | 3p | 331 |
| debian | isatty | 3 | 327 |
| osx | isatty | 3 | 322 |
| posix | isatty | 3posix | 321 |
| suse | isatty | 3 | 305 |
| centos | isatty | 3 | 295 |
| minix | isatty | 3 | 292 |
| osf1 | isatty | 3 | 285 |
| redhat | qimageformattype | 3qt | 284 |
| netbsd | isatty | 3 | 274 |
| hpux | isatty | 3c | 271 |
| bsd | isatty | 3f | 238 |
| centos | qimageformattype | 3qt | 204 |
| ultrix | isatty | 3 | 203 |
| php | posix_isatty | 3 | 161 |