Graph (Unix)
In Unix, graph is a command-line utility used to draw plots from tabular data. == History == The graph utility, written by Douglas McIlroy, was present in the first version of Unix, and every later version, for instance: Unix Version 7, released in 1979 SunOS 5.10, the Solaris version released in 2005 Its output is a sequence of commands for the plot utility, which creates plots using ASCII graphics.