2005-07-13 03:49:41 +00:00
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.TH HIST 1
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.SH NAME
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2005-07-19 17:58:26 +00:00
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hist, history \- print file names from the dump
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2005-07-13 03:49:41 +00:00
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.SH SYNOPSIS
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.B hist
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[
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.B -vdu
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] [
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.B -s
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.I yyyymmdd
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]
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.I files ...
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.SH DESCRIPTION
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.I Hist
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prints the names, dates, and sizes of all versions of the named
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.IR files ,
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looking backwards in time,
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stored in the dump file system.
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If the file exists in the main tree, the first line of output will be its current state.
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For example,
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.IP
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.EX
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hist ~rsc/.bash_history
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.EE
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.PP
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produces
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.IP
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.EX
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.nf
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May 19 16:11:37 EDT 2005 /home/am3/rsc/.bash_history 6175
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May 18 23:32:16 EDT 2005 /dump/am/2005/0519/home/am3/rsc/.bash_history 5156
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May 17 23:32:31 EDT 2005 /dump/am/2005/0518/home/am3/rsc/.bash_history 5075
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May 16 07:53:47 EDT 2005 /dump/am/2005/0517/home/am3/rsc/.bash_history 5065
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.fi
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.EE
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.PP
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The
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.B -v
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option enables verbose debugging printout.
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.PP
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The
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.B -d
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option causes
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.IR diff (1)
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.B -c
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to be run for each adjacent pair of dump files, while
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.B -b
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runs
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.IR diff
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.BR -cb .
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.PP
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The
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.B -u
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option causes times to be printed in GMT (UT) rather than local time.
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.PP
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Finally, the
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.B -s
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option
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sets the starting (most recent) date for the output.
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.SH EXAMPLES
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.PP
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Examine changes in block.c:
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.IP
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.EX
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hist -d block.c
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.EE
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.SH FILES
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2005-07-18 22:41:58 +00:00
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.TF /dump
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.TP
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2005-07-13 03:49:41 +00:00
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.B /dump
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2005-07-18 22:41:58 +00:00
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by convention, root of dump file system
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.PD
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2005-07-13 03:49:41 +00:00
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.SH SOURCE
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2005-07-18 23:05:26 +00:00
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.B \*9/src/cmd/hist.c
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2005-07-13 03:49:41 +00:00
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.SH SEE ALSO
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2005-07-18 22:41:58 +00:00
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.IR yesterday (1),
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.IR vbackup (8)
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2005-07-13 03:49:41 +00:00
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.SH BUGS
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Should be called
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.IR history ,
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but
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that name is taken by
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.IR sh (1).
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