sync man page on 4.4BSD

Man page or keyword search:  
man Server   1065 pages
apropos Keyword Search (all sections)
Output format
4.4BSD logo
[printable version]

SYNC(2)			    BSD System Calls Manual		       SYNC(2)

NAME
     sync — synchronize disk block in-core status with that on disk

SYNOPSIS
     #include <unistd.h>

     void
     sync(void);

DESCRIPTION
     The 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 the number of disk I/O transfers required by the system.	 As
     information in the cache is lost after a system crash a sync() call is
     issued frequently by the user process update(8) (about every 30 seconds).

     The function fsync(2) may be used to synchronize individual file descrip‐
     tor attributes.

SEE ALSO
     fsync(2), sync(8), update(8)

BUGS
     Sync() may return before the buffers are completely flushed.

HISTORY
     A sync function call appeared in Version 6 AT&T UNIX.

4th Berkeley Distribution	 June 4, 1993	     4th Berkeley Distribution
[top]

List of man pages available for 4.4BSD

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
...................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net