| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | isatty | 3 | 108 |
| v7 | isatty | 3 | 107 |
| osf1 | atty | 7 | 98 |
| opensolaris | isatty | 3c | 83 |
| redhat | isatty | 3 | 78 |
| opendarwin | isatty | 3 | 74 |
| sunos | isatty | 3c | 72 |
| freebsd | isatty | 3 | 69 |
| debian | isatty | 3 | 60 |
| php | isatty | 3 | 57 |
| centos | isatty | 3 | 57 |
| centos | isatty | 3p | 54 |
| suse | isatty | 3 | 53 |
| posix | isatty | 3p | 52 |
| netbsd | isatty | 3 | 52 |
| plan9 | isatty | 3 | 51 |
| redhat | qimageformattype | 3qt | 50 |
| osf1 | isatty | 3 | 49 |
| suse | isatty | 3p | 47 |
| x11r4 | isatty | 3 | 47 |
| mojave | isatty | 3 | 44 |
| hpux | isatty | 3c | 43 |
| osx | isatty | 3 | 43 |
| xfree86 | isatty | 3 | 42 |
| ultrix | isatty | 3 | 39 |
| posix | isatty | 3posix | 33 |
| minix | isatty | 3 | 32 |
| bsd | isatty | 3f | 29 |
| centos | qimageformattype | 3qt | 20 |
| php | posix_isatty | 3 | 15 |