PowerShell

powershell -ExecutionPolicy ByPass

 -eq Equal ==

 -ne Not equal !=

 -ge Greater than or equal >=

 -gt Greater than > 

 -le Less than or equal <=

 -lt Less than <

do {

  #stuff

} while (condition)

while (condition) {

  #stuff

}

Get-ChildItem '.\name' -Filter '*.txt' | [Do this action with each item that matches]        (alias: ls, dir)

if ($input -eq true)

{

   #stuff

}

switch ($input)

{

    m {'Good morning!'}

    a {'Good afternoon!'}

    e {'Good evening!'}

    default {'Hello!'}

}