Introduction

Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction.

Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection.

It's a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.

Go programs are compiled rather than interpreted. Compilation is very fast—dramatically faster than some other languages—most notably C and C++.

The standard Go compiler is called gc and its toolchain includes programs such as 5g, 6g, and 8g for compiling, 5l, 6l, and 8l for linking, and godoc for viewing the Go documentation. (These are 5g.exe, 6l.exe, and so forth, on Windows.) The strange names follow the Plan 9 operating system's compiler naming conventions where the digit identifies the processor architecture (“5” for ARM, “6” for AMD64—including Intel 64-bit processors—and “8” for Intel 386.) Fortunately, we don't need to concern ourselves with these tools, since Go provides the high-level go build tool that handles the compiling and linking for us.

Installation

Install Golang

sudo yum install golang -y

$ go version

go version go1.4.2 linux/amd64