install go

Go is an open-source, statically typed, compiled programing language built by Google. It combines the simplest of both statically typed and dynamically typed languages and provides you with the proper mixture of efficiency and simple programming. It is primarily fitted to building fast, efficient, and reliable server-side or system applications.

Following are some noted features of Go -

Safety
Concurrency
Efficient Garbage Collection
High-speed compilation
Excellent Tooling support

Installing GO

Go binary distributions are available for all major operating systems like Linux, Windows, and macOS. It’s easy to install Go from the binary distributions or you can try installing Go from source.

MacOS X

Install GO in MacOS using Homebrew.

brew install go

Linux

Download Go for Linux from Go’s official download page.
```
  tar -xvf go1.18.linux-amd64.tar.gz
```
It will create a directory named go.

Move that go dir to /usr/local where all other binaries reside.

  sudo mv go /usr/local
  echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc # bashrc or zshrc depending upon your shell type

Custom Installation directory

Instead of moving go dir to /usr/local you can choose any other dir.
```
  mkdir custom_go # just for demo, you can move to any dir of your choice
  mv go custom_go
```
Then set this custom location to GOROOT environment variable.
```
  export GOROOT=$HOME/go
  export PATH=$PATH:$GOROOT/bin
```
and then test
```
  go version
  go version go1.18 linux/amd64
```
To make GOROOT and PATH permanent add them to .bashrc or .zshrc depending on which shell you are using or else your GOROOT will be unset once you end your terminal session or start a new terminal session.

Windows

Download the Windows installer from Go’s official download page. Open the installer and follow the on-screen instructions to install Go. By default, the installer installs Go in C:\Go and add C:\go\bin to your path environment variable.

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