| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | isatty | 3 | 373 |
| opensolaris | isatty | 3c | 325 |
| v7 | isatty | 3 | 316 |
| osf1 | atty | 7 | 312 |
| posix | isatty | 3p | 306 |
| sunos | isatty | 3c | 299 |
| opendarwin | isatty | 3 | 295 |
| redhat | isatty | 3 | 270 |
| plan9 | isatty | 3 | 268 |
| php | isatty | 3 | 263 |
| xfree86 | isatty | 3 | 260 |
| x11r4 | isatty | 3 | 254 |
| suse | isatty | 3p | 246 |
| centos | isatty | 3p | 242 |
| osx | isatty | 3 | 241 |
| debian | isatty | 3 | 240 |
| mojave | isatty | 3 | 236 |
| freebsd | isatty | 3 | 229 |
| suse | isatty | 3 | 228 |
| redhat | qimageformattype | 3qt | 224 |
| centos | isatty | 3 | 221 |
| osf1 | isatty | 3 | 216 |
| netbsd | isatty | 3 | 211 |
| posix | isatty | 3posix | 205 |
| minix | isatty | 3 | 204 |
| hpux | isatty | 3c | 192 |
| bsd | isatty | 3f | 177 |
| centos | qimageformattype | 3qt | 155 |
| ultrix | isatty | 3 | 152 |
| php | posix_isatty | 3 | 110 |