Get-AD

Get-ADUser -Filter "GivenName -eq 'Joe'"

Get-ADPrincipalGroupMembership junhuo | select name | findstr -i foo

Get-ADGroup -Identity "my group name"

Get-ADGroupMember <adgroup>

get-adgroup my-tester-group

(Get-ADGroupMember "My AD Host Group").name

Get-ADReplicationSite -Filter *

Check user using cred

$Credential = Get-Credential
Get-Aduser  username -Credential $Credential -Server wjp1-dc