text editor like notepad ++
 

hello,
can anyone tell me program like notepad++ for linux? it's really powerful.

You can try SciTE, the power editor originated from the Scintilla project, which also provided editing source code to Notepad++. SciTE should be available as binary package in many Linux distributions.

if you have gnome installed then the default text editor
"Gedit"

for KDE it is "Kate"

something even MORE advanced that the scite based windows fork " notepad++"

Emacs

then there is the all time editor
" Vi"

I second what John_VV said.

Don't be fooled that Kate and Gedit look very bland when you first start them up. In Gedit, going to "View-->Highlight Mode" opens all sorts of markup options. Invoking the "Tools" menu on Kate does the same.

In both of them, you can edit appearance and, to an extent, behavior, but the options are located in different places on the menus.

vi (actually, most distros ship vim or "vi improved") is a horse of several different colors; it is extremely powerful, but provides no menu--you must learn the commands or have a good cheat sheet; a web search will turn up several available on-line. I like using it, but I must say I'm barely adequate at simple editing in vi. The command set is very terse--the creator of vi was quoted in a recent issue of Linux Voice as explaining that, when he was working on it, he was using a 300 baud dial-up modem.

Kate is my own favorite, but either Kate or Gedit works quite nicely when you learn your way around them.

I use Kate for almost everything
so much so my emacs and vi skills are a bit rusty
and it can be configured to display pretty code ( well colorful )

SciTE as already mentioned has the same source code at NotePad ++, also as already mentioned Gedit is pretty good anyway plus you can extend Gedit with plugins. There is also Geany and if you install Geany with all the optional packages you have a really powerful, if not overblown, text editor.

I have got to throw gVim (vim with a GUI) into the mix.