a2sd check : Checks a2sd status; displays information incl. where your apps, cahce and data are stored.
a2sd cachesd : Moves dalvik cache to sd-ext partition.
a2sd nocache : Moves dalvik cache back to internal storage.
a2sd datasd : Move /data/data to /sd-ext/data .
a2sd nodata : Move /sd-ext/data back to internal storage.
a2sd remove : Moves apps back to internal storage and sets no a2sd flag.