一、帮助我们正确填写命令
show command
二、获取命令别名
PS C:WINDOWSsystem32> get-alias CommandType Name Version Source ----------- ---- ------- ------ Alias % -> ForEach-Object Alias ? -> Where-Object Alias ac -> Add-Content Alias asnp -> Add-PSSnapin Alias cat -> Get-Content Alias cd -> Set-Location Alias CFS -> ConvertFrom-String 3.1.0.0 Microsoft.PowerShell.Utility Alias chdir -> Set-Location Alias clc -> Clear-Content Alias clear -> Clear-Host Alias clhy -> Clear-History Alias cli -> Clear-Item Alias clp -> Clear-ItemProperty Alias cls -> Clear-Host Alias clv -> Clear-Variable Alias cnsn -> Connect-PSSession Alias compare -> Compare-Object Alias copy -> Copy-Item Alias cp -> Copy-Item Alias cpi -> Copy-Item Alias cpp -> Copy-ItemProperty Alias curl -> Invoke-WebRequest Alias cvpa -> Convert-Path Alias dbp -> Disable-PSBreakpoint Alias del -> Remove-Item Alias diff -> Compare-Object Alias dir -> Get-ChildItem Alias dnsn -> Disconnect-PSSession Alias ebp -> Enable-PSBreakpoint Alias echo -> Write-Output Alias epal -> Export-Alias Alias epcsv -> Export-Csv Alias epsn -> Export-PSSession Alias erase -> Remove-Item Alias etsn -> Enter-PSSession Alias Export-VMCheckpoint Alias exsn -> Exit-PSSession Alias fc -> Format-Custom Alias fhx -> Format-Hex 3.1.0.0 Microsoft.PowerShell.Utility Alias fl -> Format-List Alias foreach -> ForEach-Object Alias ft -> Format-Table Alias fw -> Format-Wide Alias gal -> Get-Alias Alias gbp -> Get-PSBreakpoint Alias gc -> Get-Content Alias gcb -> Get-Clipboard 3.1.0.0 Microsoft.PowerShell.Management Alias gci -> Get-ChildItem Alias gcm -> Get-Command Alias gcs -> Get-PSCallStack Alias gdr -> Get-PSDrive Alias Get-VMCheckpoint Alias ghy -> Get-History Alias gi -> Get-Item Alias gin -> Get-ComputerInfo 3.1.0.0 Microsoft.PowerShell.Management Alias gjb -> Get-Job Alias gl -> Get-Location Alias gm -> Get-Member Alias gmo -> Get-Module Alias gp -> Get-ItemProperty Alias gps -> Get-Process Alias gpv -> Get-ItemPropertyValue Alias group -> Group-Object Alias gsn -> Get-PSSession Alias gsnp -> Get-PSSnapin Alias gsv -> Get-Service Alias gtz -> Get-TimeZone 3.1.0.0 Microsoft.PowerShell.Management Alias gu -> Get-Unique Alias gv -> Get-Variable Alias gvm -> Get-VM Alias gvmr -> Get-VMReplication Alias gvmrs -> Get-VMReplicationServer Alias gwmi -> Get-WmiObject Alias h -> Get-History Alias history -> Get-History Alias icm -> Invoke-Command Alias iex -> Invoke-Expression Alias ihy -> Invoke-History Alias ii -> Invoke-Item Alias ipal -> Import-Alias Alias ipcsv -> Import-Csv Alias ipmo -> Import-Module Alias ipsn -> Import-PSSession Alias irm -> Invoke-RestMethod Alias ise -> powershell_ise.exe Alias iwmi -> Invoke-WmiMethod Alias iwr -> Invoke-WebRequest Alias kill -> Stop-Process Alias lp -> Out-Printer Alias ls -> Get-ChildItem Alias man -> help Alias md -> mkdir Alias measure -> Measure-Object Alias mi -> Move-Item Alias mount -> New-PSDrive Alias move -> Move-Item Alias mp -> Move-ItemProperty Alias mv -> Move-Item Alias mvmr -> Measure-VMReplication Alias nal -> New-Alias Alias ndr -> New-PSDrive Alias ni -> New-Item Alias nmo -> New-Module Alias npssc -> New-PSSessionConfigurationFile Alias nsn -> New-PSSession Alias nv -> New-Variable Alias ogv -> Out-GridView Alias oh -> Out-Host Alias popd -> Pop-Location Alias ps -> Get-Process Alias pushd -> Push-Location Alias pwd -> Get-Location Alias r -> Invoke-History Alias rbp -> Remove-PSBreakpoint Alias rcjb -> Receive-Job Alias rcsn -> Receive-PSSession Alias rd -> Remove-Item Alias rdr -> Remove-PSDrive Alias Remove-VMCheckpoint Alias ren -> Rename-Item Alias Rename-VMCheckpoint Alias Restore-VMCheckpoint Alias ri -> Remove-Item Alias rjb -> Remove-Job Alias rm -> Remove-Item Alias rmdir -> Remove-Item Alias rmo -> Remove-Module Alias rni -> Rename-Item Alias rnp -> Rename-ItemProperty Alias rp -> Remove-ItemProperty Alias rsn -> Remove-PSSession Alias rsnp -> Remove-PSSnapin Alias rujb -> Resume-Job Alias rv -> Remove-Variable Alias rvpa -> Resolve-Path Alias rwmi -> Remove-WmiObject Alias sajb -> Start-Job Alias sal -> Set-Alias Alias saps -> Start-Process Alias sasv -> Start-Service Alias savm -> Start-VM Alias sbp -> Set-PSBreakpoint Alias sc -> Set-Content Alias scb -> Set-Clipboard 3.1.0.0 Microsoft.PowerShell.Management Alias select -> Select-Object Alias set -> Set-Variable Alias shcm -> Show-Command Alias si -> Set-Item Alias sl -> Set-Location Alias sleep -> Start-Sleep Alias sls -> Select-String Alias sort -> Sort-Object Alias sp -> Set-ItemProperty Alias spjb -> Stop-Job Alias spps -> Stop-Process Alias spsv -> Stop-Service Alias spvm -> Stop-VM Alias start -> Start-Process Alias stz -> Set-TimeZone 3.1.0.0 Microsoft.PowerShell.Management Alias sujb -> Suspend-Job Alias sv -> Set-Variable Alias swmi -> Set-WmiInstance Alias tee -> Tee-Object Alias trcm -> Trace-Command Alias type -> Get-Content Alias wget -> Invoke-WebRequest Alias where -> Where-Object Alias wjb -> Wait-Job Alias write -> Write-Output
当你输入一个cls时，虽然和cmd的功能相同，但他只是Clear-Host的别名。
模糊查询
例如要查询 所有s开头的服务
gsv s*
命令 + -whatif 告诉我们执行后的怎么样，但实际不会执行