| OS | Man Page | Section | Hits |
|---|---|---|---|
| bsd | sigblock | 2 | 332 |
| sunos | sigblock | 3ucb | 316 |
| linux | sigblock | 3 | 302 |
| netbsd | sigblock | 3 | 298 |
| redhat | sigblock | 2 | 271 |
| opensolaris | sigblock | 3ucb | 269 |
| debian | sigblock | 2 | 260 |
| osf1 | sigblock | 2 | 249 |
| suse | sigblock | 3 | 246 |
| mojave | sigblock | 2 | 245 |
| hpux | sigblock | 3 | 238 |
| opendarwin | sigblock | 3 | 237 |
| centos | sigblock | 3 | 235 |
| freebsd | sigblock | 2 | 229 |
| osx | sigblock | 2 | 213 |
| ultrix | sigblock | 2 | 195 |
| v7 | sigblock | 3 | 188 |
| debian | sigblock | 3 | 185 |
| x11r4 | sigblock | 3 | 179 |
| minix | sigblock | 3 | 176 |
| php | sigblock | 3 | 165 |
| xfree86 | sigblock | 3 | 163 |
| plan9 | sigblock | 3 | 157 |