gbx3 - Man Page

GAMBAS Interpreter


gbx3 [options] [<project file>] [-- <arguments>]
gbx3 -e <expression>


Gambas is a free development environment based on a Basic interpreter with object extensions, a mix of Java(tm) and Visual Basic(tm). With Gambas, you can quickly design your program GUI, access MySQL or PostgreSQL databases, pilot KDE applications with DCOP, translate your program into many languages, and so on...

gbx3 is the interpreter that allows you to execute a Gambas project or evaluate a Gambas expression (-e option).



evaluate an expression


enter debugging mode

-h,  --help

display help and exit

-H,  --httpd

run through an embedded http server


disable just-in-time compiler


do not unload shared libraries

-L,  --license

display license

-p <path>

activate profiling and debugging mode

-r <path>

redirect standard error output

-s <class>

override startup class

-t,  --trace

dump the position of each executed line of code

-T <tests>

run the specified test modules

-V,  --version

display version


The latest version of Gambas can always be obtained from, documentation about the language is at

Reporting Bugs

Report bugs to


October 2013 Ubuntu