1  –  Formatted

  Formatted direct WRITE statement format:

     WRITE (extu,rec,fmt[,iostat][,err]) [iolist]

  Writes to a specified external unit.  Translates the data from
  binary to character format as specified by "fmt".

2  –  Unformatted

  Unformatted direct WRITE statement format:

    WRITE (extu,rec[,iostat][,err]) [iolist]

  Writes to a specified external unit.  Does not translate the data.