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1.1 root 1: .TH SYNC 2
2: .CT 2 sa
3: .SH NAME
4: sync \- force writing of system buffers
5: .SH SYNOPSIS
6: .B void sync()
7: .SH DESCRIPTION
8: .I Sync
9: schedules all information in
10: memory that should be on disk or other block media to be written out.
11: This includes modified super-blocks,
12: modified inodes, and delayed block I/O.
13: .PP
14: It should be used by programs which examine a file system,
15: for example
16: .IR icheck (8).
17: It is highly recommended before a shutdown or reboot.
18: .SH "SEE ALSO"
19: .IR sync (8)
20: .SH BUGS
21: The writing, although scheduled, is not necessarily
22: complete upon return from
23: .IR sync .
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