| OS | Man Page | Section | Hits |
|---|---|---|---|
| bsd | sigblock | 2 | 269 |
| sunos | sigblock | 3ucb | 249 |
| linux | sigblock | 3 | 248 |
| netbsd | sigblock | 3 | 244 |
| redhat | sigblock | 2 | 224 |
| opensolaris | sigblock | 3ucb | 217 |
| debian | sigblock | 2 | 207 |
| osf1 | sigblock | 2 | 206 |
| mojave | sigblock | 2 | 204 |
| freebsd | sigblock | 2 | 194 |
| centos | sigblock | 3 | 192 |
| suse | sigblock | 3 | 192 |
| hpux | sigblock | 3 | 188 |
| opendarwin | sigblock | 3 | 179 |
| osx | sigblock | 2 | 172 |
| v7 | sigblock | 3 | 154 |
| ultrix | sigblock | 2 | 153 |
| debian | sigblock | 3 | 151 |
| x11r4 | sigblock | 3 | 148 |
| minix | sigblock | 3 | 144 |
| php | sigblock | 3 | 136 |
| xfree86 | sigblock | 3 | 131 |
| plan9 | sigblock | 3 | 123 |