RootExplorer can be described as the most powerful root manager, and can delete the system comes with the program is a bright spot - APKAward.com
Root Explorer is the ultimate file manager for root users. Access the whole of android's file system (including the elusive data folder!).
Features include multiple tabs, Google Drive, Box, Dropbox and network (SMB) support, SQLite database viewer, Text Editor, create and extract zip or tar/gzip files, extract rar archives, multi-select, execute scripts, search, remount, permissions, bookmarks, send files (via email, bluetooth etc), image thumbnails, APK binary XML viewer, change file owner/group, create symbolic link, "Open With" facility, MD5, create shortcuts.