+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 *)
+
+val fsck : t -> string -> string -> int
+(** run the filesystem checker *)
+
+val zero : t -> string -> unit
+(** write zeroes to the device *)
+
+val grub_install : t -> string -> string -> unit
+(** install GRUB *)
+
+val cp : t -> string -> string -> unit
+(** copy a file *)
+
+val cp_a : t -> string -> string -> unit
+(** copy a file or directory recursively *)
+
+val mv : t -> string -> string -> unit
+(** move a file *)
+
+val drop_caches : t -> int -> unit
+(** drop kernel page cache, dentries and inodes *)
+
+val dmesg : t -> string
+(** return kernel messages *)
+
+val ping_daemon : t -> unit
+(** ping the guest daemon *)
+
+val equal : t -> string -> string -> bool
+(** test if two files have equal contents *)
+
+val strings : t -> string -> string array
+(** print the printable strings in a file *)
+
+val strings_e : t -> string -> string -> string array
+(** print the printable strings in a file *)
+
+val hexdump : t -> string -> string
+(** dump a file in hexadecimal *)
+
+val zerofree : t -> string -> unit
+(** zero unused inodes and disk blocks on ext2/3 filesystem *)
+
+val pvresize : t -> string -> unit
+(** resize an LVM physical volume *)
+
+val sfdisk_N : t -> string -> int -> int -> int -> int -> string -> unit
+(** modify a single partition on a block device *)
+
+val sfdisk_l : t -> string -> string
+(** display the partition table *)
+
+val sfdisk_kernel_geometry : t -> string -> string
+(** display the kernel geometry *)
+
+val sfdisk_disk_geometry : t -> string -> string
+(** display the disk geometry from the partition table *)
+
+val vg_activate_all : t -> bool -> unit
+(** activate or deactivate all volume groups *)
+
+val vg_activate : t -> bool -> string array -> unit
+(** activate or deactivate some volume groups *)
+
+val lvresize : t -> string -> int -> unit
+(** resize an LVM logical volume *)
+
+val resize2fs : t -> string -> unit
+(** resize an ext2/ext3 filesystem *)
+
+val find : t -> string -> string array
+(** find all files and directories *)
+
+val e2fsck_f : t -> string -> unit
+(** check an ext2/ext3 filesystem *)
+