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NNSPEW(8)						      System Manager's Manual							 NNSPEW(8)

NAME
nnspew - subject database manager (nn) SYNOPSIS
nnspew DESCRIPTION
nnspew builds a sorted database of all available subjects in the nn article database for fast access via the nngrab utility. nnspew should be activated regularly to rebuild the subject database, e.g. by cron. For example: 2 6,9,12,15,18,21 * * * root /bin/nice /usr/lib/nn/nnspew Cross posted articles are only represented in the database once, and identical subjects in each group are merged into one to use a minimum of disk space. This saves about 50% of the disk space otherwise required. FILES
$db/subjects subject database SEE ALSO
nn(1), nngrab(1), egrep(1) NOTES
nngrap will use the subject database generated by nnspew independent of its age. Thus, if you stop running nnspew, remember to remove the subjects file as well. BUGS
nnmaster should automatically append new articles to the subject database to keep it up-to-date, and thus require less frequent rebuilding using nnspew. AUTHOR
James A. Woods, NASA Ames Research Center E-mail: jaw@ames.arc.nasa.gov 4th Berkeley Distribution Release 6.6 NNSPEW(8)

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