If you use Kubuntu then you would have used KATE.
What is the best text editor for ubuntu. Emacs is an extensible and customized text editor which is most commonly used and perhaps has greater number of features then any other open source text editor. Its the text editors that come pre-installed with Kubuntu popular Linux distribution based on Ubuntu. It supports various programming languages like Python Java XML HTML C etc.
If youre looking for lightweight innovative and extensible Notepad alternatives for Linux consider Vim a must-try. Open your terminal and enter following command to install it in Ubuntu Linux. Although it does not comes by default with Ubuntu Linux but installing it in Ubuntu Linux is very simple.
It is a powerful general purpose text editor that many Ubuntu users prefer. Gedit is certainly the most famous text editor in the Ubuntu world. KATE is a lightweight and fast text editor and it can open multiple files simultaneously.
Not just for System Administrators but for the average user as well. Sudo apt-get install gedit. It is lightweight and can support various IDE features.
Sublime Text a sophisicated editor is certainly popular in the Ubuntu forums but its wide compatibility with Linux Mac and Windows makes it generally popular around the world. Most useful for programmers. Vim is without any doubt among the best text editors for programming in Linux conveniently.
Based on it excellent list of features I can certainly call it one of the best text editors for Ubuntu or any other operating system for that matter. KATE is a simple yet powerful IDE. Atom became popular even before its first stable release.