Mehmet Engin Tozal wrote: > I am a new lyx user. I really liked the user interface. However, I'd > like to edit the source file of the document that I am working on. I can > view the source file but it is not editable, so I cannot add latex > commands to the source file.
You cannot edit the source directly, since LyX uses its own source format. However, you can insert LaTeX commands via Insert->TeX Code or the red "TeX" button or Ctrl-l. HTH, Jürgen