| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | sigblock | 3 | 91 |
| bsd | sigblock | 2 | 84 |
| freebsd | sigblock | 2 | 81 |
| redhat | sigblock | 2 | 80 |
| mojave | sigblock | 2 | 77 |
| netbsd | sigblock | 3 | 75 |
| sunos | sigblock | 3ucb | 73 |
| debian | sigblock | 2 | 65 |
| ultrix | sigblock | 2 | 64 |
| osf1 | sigblock | 2 | 62 |
| opensolaris | sigblock | 3ucb | 61 |
| osx | sigblock | 2 | 58 |
| suse | sigblock | 3 | 56 |
| centos | sigblock | 3 | 53 |
| minix | sigblock | 3 | 40 |
| v7 | sigblock | 3 | 40 |
| debian | sigblock | 3 | 39 |
| opendarwin | sigblock | 3 | 39 |
| xfree86 | sigblock | 3 | 29 |
| x11r4 | sigblock | 3 | 28 |
| php | sigblock | 3 | 24 |
| plan9 | sigblock | 3 | 22 |
| hpux | sigblock | 3 | 20 |