| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | usleep | 100000 | 924 |
| linux | usleep | 3 | 507 |
| freebsd | usleep | 3 | 396 |
| php | usleep | 3 | 331 |
| posix | usleep | 3posix | 319 |
| opensolaris | usleep | 3c | 310 |
| debian | usleep | 3 | 294 |
| centos | usleep | 3 | 283 |
| hpux | usleep | 2 | 281 |
| suse | usleep | 3 | 271 |
| osx | usleep | 3 | 270 |
| sunos | usleep | 3c | 267 |
| mojave | usleep | 3 | 251 |
| redhat | usleep | 3 | 250 |
| bsd | usleep | 3 | 246 |
| posix | usleep | 3 | 223 |
| suse | usleep | 3p | 210 |
| netbsd | usleep | 3 | 206 |
| centos | usleep | 3p | 176 |
| v7 | usleep | 1 | 174 |
| minix | usleep | 1 | 167 |
| plan9 | usleep | 1 | 165 |
| xfree86 | usleep | 1 | 160 |
| redhat | usleep | 1 | 157 |
| x11r4 | usleep | 1 | 153 |
| osf1 | usleep | 3 | 148 |
| posix | usleep | 3c | 143 |
| centos | usleep | 1 | 142 |
| opendarwin | usleep | 1 | 137 |
| centos | usleep_range | 9 | 125 |
| suse | usleep | 1 | 113 |
| debian | ggusleep | 3 | 106 |