val config : t -> string -> string option -> unit
(** add qemu parameters *)
+val set_qemu : t -> string -> unit
+(** set the qemu binary *)
+
+val get_qemu : t -> string
+(** get the qemu binary *)
+
val set_path : t -> string -> unit
(** set the search path *)
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 *)
+