address@hidden:/media/sda1/sta15/data files$ pspp
pspp: cannot find output initialization file (use `-vv' to view search path)
pspp: error reading device definition file
pspp: using default output driver configuration
PSPP is free software and you are welcome to distribute copies of it
under certain conditions; type "show copying." to see the conditions.
There is ABSOLUTELY NO WARRANTY for PSPP; type "show warranty." for details.
GNU pspp 0.7.0 (Wed Jan 28 15:59:30 EST 2009).
PSPP> import file what_analysis.sav
    > 
PSPP> frequencies
    > variables=travel
    > /histogram 
    > 
PSPP> examine
    > variables=travel
    > /percentiles
    > 
pspp: src/math/percentiles.c:50: percentile_calculate: Assertion `os->cc == ptl->w' failed.
******************************************************
You have discovered a bug in PSPP.  Please report this
to address@hidden  Please include this entire
message, *plus* several lines of output just above it.
For the best chance at having the bug fixed, also
include the syntax file that triggered it and a sample
of any data file used for input.
proximate cause:     Assertion Failure/Abort
version:             GNU pspp 0.7.0 (Wed Jan 28 15:59:30 EST 2009).
host_system:         i686-pc-linux-gnu
build_system:        i686-pc-linux-gnu
default_config_path: $HOME/.pspp:/usr/local/etc/pspp
include_path:        ./:$HOME/.pspp/include:/usr/local/share/pspp
locale_dir:          /usr/local/share/locale
compiler version:    4.2.3
******************************************************