Can you provide examples of Go code that supports both Windows and Linux

Example 1: Using `os` Package to Determine Operating System

go
package main

import (
    "fmt"
    "os"
)

func main() {
    if os.Getenv("GOOS") == "windows" {
        fmt.Println("Running on Windows")
    } else {
        fmt.Println("Running on Linux")
    }
}

Example 2: Using `filepath` Package to Join Paths

go
package main

import (
    "fmt"
    "path/filepath"
)

func main() {
    path := filepath.Join("path", "to", "file.txt")
    fmt.Println(path)
}

Example 3: Using `os/exec` Package to Run Commands

go
package main

import (
    "fmt"
    "os/exec"
)

func main() {
    if os.Getenv("GOOS") == "windows" {
        cmd := exec.Command("cmd", "/c", "dir")
    } else {
        cmd := exec.Command("ls", "-l")
    }
    out, err := cmd.CombinedOutput()
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(string(out))
    }
}

Example 4: Using `os/user` Package to Get User Information

go
package main

import (
    "fmt"
    "os/user"
)

func main() {
    u, err := user.Current()
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(u.Username)
    }
}

Example 5: Using `os/exec` Package to Run System Commands

go
package main

import (
    "fmt"
    "os/exec"
)

func main() {
    if os.Getenv("GOOS") == "windows" {
        cmd := exec.Command("systeminfo")
    } else {
        cmd := exec.Command("uname", "-a")
    }
    out, err := cmd.CombinedOutput()
    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(string(out))
    }
}

These examples demonstrate how to use Go's standard library packages to support both Windows and Linux operating systems.