val sh_lines : t -> string -> string array
(** run a command via the shell returning lines *)
+val glob_expand : t -> string -> string array
+(** expand a wildcard path *)
+
+val scrub_device : t -> string -> unit
+(** scrub (securely wipe) a device *)
+
+val scrub_file : t -> string -> unit
+(** scrub (securely wipe) a file *)
+
+val scrub_freespace : t -> string -> unit
+(** scrub (securely wipe) free space *)
+
+val mkdtemp : t -> string -> string
+(** create a temporary directory *)
+
+val wc_l : t -> string -> int
+(** count lines in a file *)
+
+val wc_w : t -> string -> int
+(** count words in a file *)
+
+val wc_c : t -> string -> int
+(** count characters in a file *)
+