Microsoft.PowerShell_profile.ps1

Write-Host "[INFO] ExecutionPolicy:" (Get-ExecutionPolicy)
Write-Host ""

function prompt {
    if (Test-IsAdmin) {
        $inputSign = " [admin]> "
    } else {
        $inputSign = " > "
    }
    "PS \" + (Get-Item -Path ".").Name + $inputSign
}

function Test-IsAdmin {
    $user = [Security.Principal.WindowsIdentity]::GetCurrent();
    (New-Object Security.Principal.WindowsPrincipal $user).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator) 
}

Set-Alias gh Get-Help

# Notepadを使ってWindows10環境のhostsファイルを管理者権限で開く
function CustomHosts {
    Start-Process notepad C:\Windows\System32\drivers\etc\hosts -verb runas
}
Set-Alias hosts CustomHosts

# PowerShellを管理者権限として実行する
function CustomSudo {
    Start-Process powershell.exe -Verb runas
}
Set-Alias sudo CustomSudo