This is the command igraph that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
igraph - interactive graphing program
Igraph is a crude interactive program for creating line and scatter plots. Provisions for
reading and writing graph files as well as changing variables and getting output are
provided from a menu.
Graph files and variables are as described in bgraph(1).
Use igraph online using onworks.net services