lazarus-ide-gtk2-1.6 software package provides IDE for Free Pascal - GTK+ version, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install lazarus-ide-gtk2-1.6
lazarus-ide-gtk2-1.6 is installed in your system.
Make ensure the lazarus-ide-gtk2-1.6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep lazarus-ide-gtk2-1.6 *
You will get with lazarus-ide-gtk2-1.6 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Development |
| Package | lazarus-ide-gtk2-1.6 |
| Version | 1.6+dfsg-6 |
| Description | IDE for Free Pascal - GTK+ version |
| Sub Section | devel |