把环境，编辑器，版本这些都弄清楚，说不好还能把FCL类库弄懂个大概？？？：）

 

[DateTime]::IsLeapYear(2008)$result = [DateTime]"06/21/2008" - [DateTime]::Now$result.TotalDaysdircd c:pwdcd \cd qiyipwdGet-Item Cache\* | Move-Item -Destination offlineGet-Item offline\* | Copy-Item -Destination CacheGet-ProcessGet-Process|Where-Object { $_.Handles -ge 500 }Get-Process|Where-Object { $_.Handles -ge 500 }|Sort-Object HandlesGet-Process|Where-Object { $_.Handles -ge 500 }|Sort-Object Handles|Format-Table Handles,Name,Description -Autogps [b-t]*[c-r] | Stop-Process | Whatifgps [b-t]*[c-r] | Stop-Process -WhatIfGet-Command *process*"Hello World" | Get-Member"Hello World".ToUpper"Hello World" | ToUpper"Hello World".ToUpper()$handleCount = 0foreach($process in Get-Process) { $handleCount += $process.Handles }$handleCount$count = 0foreach($process in Get-Process) { $count += 1 }$count$webClient = New-Object System.Net.WebClient$content = $webClient.DownloadString("http://www.baidu.com")$content.Substring(0,1000)Get-History