h87@makoto 17:42:19/150214(~)% sudo gdb -write /netbsd
GNU gdb (GDB) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "x86_64--netbsd".
Type "show configuration" for configuration details.
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Reading symbols from /netbsd...done.
(gdb) print maxproc=2088
$1 = 2088
(gdb) q
h87@makoto 17:44:13/150214(~)%