| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | usleep | 3 | 230 |
| freebsd | usleep | 3 | 187 |
| posix | usleep | 3posix | 165 |
| centos | usleep | 3 | 134 |
| posix | usleep | 100000 | 114 |
| php | usleep | 3 | 107 |
| redhat | usleep | 3 | 106 |
| suse | usleep | 3 | 103 |
| hpux | usleep | 2 | 102 |
| opensolaris | usleep | 3c | 102 |
| osx | usleep | 3 | 98 |
| sunos | usleep | 3c | 95 |
| netbsd | usleep | 3 | 82 |
| mojave | usleep | 3 | 81 |
| bsd | usleep | 3 | 81 |
| redhat | usleep | 1 | 78 |
| debian | usleep | 3 | 72 |
| centos | usleep | 1 | 56 |
| centos | usleep | 3p | 55 |
| posix | usleep | 3 | 54 |
| suse | usleep | 1 | 46 |
| osf1 | usleep | 3 | 45 |
| centos | usleep_range | 9 | 43 |
| posix | usleep | 3c | 37 |
| x11r4 | usleep | 1 | 34 |
| minix | usleep | 1 | 30 |
| suse | usleep | 3p | 30 |
| opendarwin | usleep | 1 | 25 |
| xfree86 | usleep | 1 | 25 |
| plan9 | usleep | 1 | 23 |
| debian | ggusleep | 3 | 23 |
| v7 | usleep | 1 | 21 |