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Top Forums UNIX for Advanced & Expert Users How to find out and monitor IO spikes history in Linux? Post 303041756 by foad on Wednesday 4th of December 2019 02:20:17 AM
Old 12-04-2019
Quote:
Originally Posted by umen
i wanted to learn something new from experts
Here is something you obviously haven't known yet: DESCRIBE YOUR PROBLEM concisely first before you expect sensible answers: which OS? which "I/O problem"? Is it network I/O, disk I/O, serial I/O or WTF-I/O?

The way you asked you don't need an expert, you need a magician.
 

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WTF(6)								 BSD Games Manual							    WTF(6)

NAME
wtf -- translates acronyms for you SYNOPSIS
wtf [-f dbfile] [is] acronym ... DESCRIPTION
The wtf utility displays the expansion of the acronyms specified on the command line. If the acronym is not in any of the acronyms data- bases, wtf will check to see if the acronym is known by whatis(1), pkg_info(1), or via pkgsrc's internal help mechanism, ``make help topic=XXX''. If ``is'' is specified on the command line, it will be ignored, allowing the fairly natural ``wtf is WTF'' usage. The following options are available: -f dbfile Overrides the default acronym database, bypassing the value of the ACRONYMDB variable. ENVIRONMENT
ACRONYMDB The default acronym database may be overridden by setting the environment variable ACRONYMDB to the name of one or more space-sep- arated file names of acronym databases. The files must be in the proper format (acronym[tab]meaning). FILES
/usr/share/misc/acronyms default acronym database. /usr/share/misc/acronyms.comp computer-related acronym database. SEE ALSO
make(1), pkg_info(1), whatis(1) HISTORY
wtf first appeared in NetBSD 1.5. BSD
July 27, 2007 BSD
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