~ $ gtk-update-icon-cache --help Usage: gtk-update-icon-cache [OPTION...] ICONPATH Help Options: -?, --help Show help options Application Options: -f, --force Overwrite an existing cache, even if uptodate -t, --ignore-theme-index Don't check for the existence of index.theme -i, --index-only Don't include image data in the cache -c, --source=NAME Output a C header file -q, --quiet Turn off verbose output