I've just insalled VillainROM on my GSM Hero, and it looks like almost the whole memory is used (which was not the case with the default ROM). I'm looking for description which directory has redundant data, so, does anyone know what those directories contain and whether they should be that large:
$ ./adb shell
# du -sh /*
du -sh /*
2.5M /cache
0 /config
0 /d
148.6M /data
4.0K /default.prop
0 /dev
0 /etc
108.0K /init
4.0K /init.goldfish.rc
4.0K /init.hero.rc
16.0K /init.rc
12.0K /logo.rle
0 /proc
0 /root
136.0K /sbin
1.1G /sdcard
0 /sqlite_stmt_journals
0 /sys
146.9M /system
# du -sh /system/*
du -sh /system/*
44.2M /system/app
5.4M /system/bin
4.0K /system/build.prop
4.8M /system/customize
5.0M /system/etc
5.1M /system/fonts
27.2M /system/framework
46.9M /system/lib
2.0K /system/lost+found
2.7M /system/media
2.0K /system/sd
2.1M /system/usr
3.4M /system/xbin
# du -sh /data/*
du -sh /data/*
4.0K /data/DxDrm
112.5K /data/anr
45.3M /data/app
2.0K /data/app-private
6.5K /data/backup
26.0K /data/btips
75.9M /data/dalvik-cache
26.2M /data/data
2.0K /data/dontpanic
512 /data/drm
2.0K /data/gps_nmea_fifo
0 /data/http_proxy
8.5K /data/local
2.0K /data/lost+found
91.0K /data/misc
5.5K /data/property
512 /data/pvcodec.txt
512 /data/reboot.chk
0 /data/rtsp_proxy
314.5K /data/system
518.5K /data/tombstones