diff options
Diffstat (limited to 'lib/libc/sys/sync.2')
| -rw-r--r-- | lib/libc/sys/sync.2 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libc/sys/sync.2 b/lib/libc/sys/sync.2 index a989e8d57fca..68acbb9355bf 100644 --- a/lib/libc/sys/sync.2 +++ b/lib/libc/sys/sync.2 @@ -47,7 +47,8 @@ The .Fn sync function forces a write of dirty (modified) buffers in the block buffer cache out -to disk. The kernel keeps this information in core to reduce +to disk. +The kernel keeps this information in core to reduce the number of disk I/O transfers required by the system. As information in the cache is lost after a system crash a .Fn sync |