HP-UX Reference (11i v1 00/12) - 1M System Administration Commands N-Z (vol 4)

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STANDARD Printed by: Nora Chuang [nchuang] STANDARD
/build/1111/BRICK/man1m/naaagt.1m
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sync(1M) sync(1M)
NAME
sync - synchronize file systems
SYNOPSIS
sync [-l]
DESCRIPTION
sync executes the sync() system call (see sync(2)). If the system is to be stopped, the sync command
must be called to ensure file system integrity.
sync flushes all previously unwritten system buffers including modified super blocks, modified inodes, and
delayed block I/O out to disk. This ensures that all file modifications are properly saved before performing
a critical operation such as a system shutdown. For additional protection from power failures or possible
system crashes, use syncer to execute sync automatically at periodic intervals (see syncer(1M)).
AUTHOR
sync was developed by AT&T and HP.
SEE ALSO
syncer(1M), sync(2).
STANDARDS CONFORMANCE
sync: SVID2, SVID3
Section 1M−−952 − 1 − HP-UX Release 11i: December 2000
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