Concatenate FILE(s), or standard input, to standard output
With no FILE, or when FILE is -, read standard input.

Usage: cat [OPTION]... [FILE]...

Options:
  -A, --show-all          equivalent to -vET
  -b, --number-nonblank   number nonempty output lines, overrides -n
  -e                      equivalent to -vE
  -E, --show-ends         display $ at end of each line
  -n, --number            number all output lines
  -s, --squeeze-blank     suppress repeated empty output lines
  -t                      equivalent to -vT
  -T, --show-tabs         display TAB characters at ^I
  -v, --show-nonprinting  use ^ and M- notation, except for LF (\n) and TAB (\t)
  -u                      (ignored)
  -h, --help              Print help
  -V, --version           Print version