BusyBox v1.29.3 (2018-11-02 15:37:50 PDT) multi-call binary.
Usage: cat [-nbvteA] [FILE]...
Print FILEs to stdout
-n Number output lines
-b Number nonempty lines
-v Show nonprinting characters as ^x or M-x
-t ...and tabs as ^I
-e ...and end lines with $
-A Same as -vte