+val checksum : t -> string -> string -> string
+(** compute MD5, SHAx or CRC checksum of file *)
+
+val tar_in : t -> string -> string -> unit
+(** unpack tarfile to directory *)
+
+val tar_out : t -> string -> string -> unit
+(** pack directory into tarfile *)
+
+val tgz_in : t -> string -> string -> unit
+(** unpack compressed tarball to directory *)
+
+val tgz_out : t -> string -> string -> unit
+(** pack directory into compressed tarball *)
+
+val mount_ro : t -> string -> string -> unit
+(** mount a guest disk, read-only *)
+
+val mount_options : t -> string -> string -> string -> unit
+(** mount a guest disk with mount options *)
+
+val mount_vfs : t -> string -> string -> string -> string -> unit
+(** mount a guest disk with mount options and vfstype *)
+
+val debug : t -> string -> string array -> string
+(** debugging and internals *)
+
+val lvremove : t -> string -> unit
+(** remove an LVM logical volume *)
+
+val vgremove : t -> string -> unit
+(** remove an LVM volume group *)
+
+val pvremove : t -> string -> unit
+(** remove an LVM physical volume *)
+
+val set_e2label : t -> string -> string -> unit
+(** set the ext2/3/4 filesystem label *)
+
+val get_e2label : t -> string -> string
+(** get the ext2/3/4 filesystem label *)
+
+val set_e2uuid : t -> string -> string -> unit
+(** set the ext2/3/4 filesystem UUID *)
+
+val get_e2uuid : t -> string -> string
+(** get the ext2/3/4 filesystem UUID *)
+