| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | iswalpha | 3 | 309 |
| redhat | iswalpha | 3 | 247 |
| debian | iswalpha | 3 | 232 |
| opensolaris | iswalpha | 3c | 223 |
| v7 | iswalpha | 3 | 221 |
| x11r4 | iswalpha | 3 | 220 |
| centos | iswalpha | 3 | 218 |
| sunos | iswalpha | 3c | 218 |
| opendarwin | iswalpha | 3 | 211 |
| posix | iswalpha | 3p | 205 |
| xfree86 | iswalpha | 3 | 194 |
| php | iswalpha | 3 | 192 |
| suse | iswalpha | 3 | 186 |
| freebsd | iswalpha | 3 | 184 |
| bsd | iswalpha | 3 | 181 |
| minix | iswalpha | 3 | 180 |
| plan9 | iswalpha | 3 | 178 |
| mojave | iswalpha | 3 | 174 |
| suse | iswalpha | 3p | 160 |
| freebsd | iswalpha_l | 3 | 156 |
| osx | iswalpha | 3 | 150 |
| centos | iswalpha | 3p | 146 |
| mojave | iswalpha_l | 3 | 130 |
| osx | iswalpha_l | 3 | 116 |
| netbsd | iswalpha | 3 | 109 |
| hpux | iswalpha | 3c | 106 |
| osf1 | iswalpha | 3 | 104 |