Programming in Go
All Systems Go
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The Go programming language combines type safety with manageable syntax and an extensive library. We take you through a programming example.
The Go programming language recently celebrated its fourth birthday and increasing popularity. The language has very few limits when it comes to coding Unix daemons, networking code, parallelized programs, and the like, although it is probably less well-suited for an operating system kernel. The Docker container virtualization project and Ubuntu Juju tool are two examples of projects written in Go.
Designed as an heir to the C programming language [1], Go offers many of its predecessor's strengths, while simplifying syntax and supporting secure programming (e.g., through strong type casting). The Unsafe module makes Go resemble C more closely, although it does compromise security, as the module name suggests.
The standard Go library [2] is extensive, offering many useful system programming modules for data compression, cryptography, binary file formats (ELF, Mach-O), and so forth. In this article, I will create a simple tool written in Go that has a function similar to the ps process status tool in Linux.
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