diff --git a/1.Basic/10.Function.ps1 b/1.Basic/10.Function.ps1
new file mode 100644
index 0000000..5c7e3a3
--- /dev/null
+++ b/1.Basic/10.Function.ps1
@@ -0,0 +1,9 @@
+function Test {
+  [CmdletBinding()] #turns into adv function
+  param(
+    [int32] $PingCount
+  )
+  Test-Connection google.com -Count $PingCount
+}
+
+Test
diff --git a/1.Basic/11.Function_exception.ps1 b/1.Basic/11.Function_exception.ps1
new file mode 100644
index 0000000..ab61c2a
--- /dev/null
+++ b/1.Basic/11.Function_exception.ps1
@@ -0,0 +1,3 @@
+Throw "it's a trap"
+
+Write-Error -Message "It' a trap" -ErrorAction Stop
diff --git a/1.Basic/12.Function_error.ps1 b/1.Basic/12.Function_error.ps1
new file mode 100644
index 0000000..369f2de
--- /dev/null
+++ b/1.Basic/12.Function_error.ps1
@@ -0,0 +1,10 @@
+function Test {
+  [CmdletBinding()] #turns into adv function
+  param(
+    [int32] $PingCount
+  )
+  Test-Connection google.com -Count $PingCount
+  Write-Error -Message "It' a trap" -ErrorAction Stop
+}
+
+try {Test -ErrorAction Stop} catch {Write-Output "Launch problem!" Write-Output $_}
diff --git a/1.Basic/6.for_loops.ps1 b/1.Basic/6.for_loops.ps1
index 091bbfd..d9a21be 100644
--- a/1.Basic/6.for_loops.ps1
+++ b/1.Basic/6.for_loops.ps1
@@ -1,6 +1,5 @@
 $HaloPeeps = @('Master Chief', 'Cortana', 'Captain Keys', 'Flood')
 
-For($counter = 0; $counter -le 3; $counter++){
+For($counter = 0; $counter -le ($HaloPeeps - 1 ); $counter++){
   Write-Host "Holy smokes. it's" $HaloPeeps[$counter]
-
 }
diff --git a/1.Basic/7.for_each.ps1 b/1.Basic/7.for_each.ps1
new file mode 100644
index 0000000..c0ec66a
--- /dev/null
+++ b/1.Basic/7.for_each.ps1
@@ -0,0 +1,5 @@
+$HaloPeeps = @('Master Chief', 'Cortana', 'Captain Keys', 'Flood')
+
+Foreach ($peep in $HaloPeeps){
+  Write-Host $peep "has arrived!"
+}
diff --git a/1.Basic/8.While.ps1 b/1.Basic/8.While.ps1
new file mode 100644
index 0000000..d0ec924
--- /dev/null
+++ b/1.Basic/8.While.ps1
@@ -0,0 +1,8 @@
+$xmen = @('Wolverine', 'Cyclops', 'Storm', 'Professor x', 'Gambie', 'Dr. Jean Grey')
+$counter = 0
+
+While ($counter -ne 6){
+    Write-Host $xmen[$counter] "is a mutant!"
+    $xmen[$counter].Length
+    $counter++;
+}
diff --git a/1.Basic/9.Do_while.ps1 b/1.Basic/9.Do_while.ps1
new file mode 100644
index 0000000..1669469
--- /dev/null
+++ b/1.Basic/9.Do_while.ps1
@@ -0,0 +1,8 @@
+$xmen = @('Wolverine', 'Cyclops', 'Storm', 'Professor x', 'Gambie', 'Dr. Jean Grey')
+
+$counter = 0
+
+Do {
+  Write-Host $xmen[$counter] "is a mutant"
+  $counter++
+} While ($counter -ne 6)
diff --git a/1.Basic/Learn Powershell in Less than 2 hours.md b/1.Basic/Learn Powershell in Less than 2 hours.md
index fdbeb08..d26d00f 100644
--- a/1.Basic/Learn Powershell in Less than 2 hours.md	
+++ b/1.Basic/Learn Powershell in Less than 2 hours.md	
@@ -54,6 +54,56 @@ Get-Help
 Get-Help Write-Host -full
 ```
 
+## New-Item
+
+For creating a new file or folder
+
+```powershell
+# Create a file
+New-Item -path C:\Scripts\ewok.txt -tye "File" -value "praise C3PO"
+
+# Create a folder
+New-Itemn -path C:\Scripts -name "deathstar" -type directory
+```
+
+## Copy-Item
+
+Copy a file
+
+```powershell
+Copy-Item C:\Scripts\ewok.txt -destination C:\Scripts\deathstar
+```
+
+## Move-Item
+
+Change the place of a file
+
+```powershell
+Move-Item -path ".\forewithwho.txt" -destination ".\deathstar\"
+```
+## Remove-Item
+
+Delete a file
+
+```powershell
+Delete-Item -path ewok.txt 
+```
+
+## Test-Path
+
+Verify if a file exist and return a boolean
+can be helpful for a if statement
+
+```powershell
+Test-Path C:\Scipts\deathstar\forewithwho.txt
+```
+## Rename-Item
+
+Rename a file 
+
+```powershell
+Rename-Item -path .\forewithwho.txt -newnae forewithme.txt
+```
 
 ## Piping
 
@@ -140,3 +190,96 @@ $PokemonCaught = "908"
 If($PokemonCaught -eg 908) { Write-Host "You're a Pokemon Master! "}
 ```
 
+## Active directory
+
+for importing active directory Commands
+
+```powershell
+Import-Module ActiveDirectory
+```
+
+##User
+
+
+### New-ADUser
+
+Create a user in active Directory
+
+```powershell
+New-ADUser -Name "Luke Skywalker" -GivenName "Luke" -Surname "Skywalker" -SamAccountName "Luke Skywalker" -UserPrincipalName "lskywalker@maeds.org" -Path "OU=Administration, OU=Staff, OU=MAEDS,DC=maeds , DC=org" -AccountPassword(ConverTo-SecureString "UncleOwen!" -AsPlainText -force) -Enabled $true 
+```
+
+-Name "Luke Skywalker"
+The display name of the user in Active Directory.
+
+-GivenName "Luke"
+The user’s first name.
+
+-Surname "Skywalker"
+The user’s last name.
+
+-SamAccountName "Luke Skywalker"
+The logon name used with older Windows systems (DOMAIN\username).
+
+-UserPrincipalName "lskywalker@maeds.org"
+The modern logon name (email-style login).
+
+-Path "OU=Administration, OU=Staff, OU=MAEDS, DC=maeds, DC=org"
+Specifies the Organizational Unit (OU) where the user will be created.
+DC specifies the domain name
+
+-AccountPassword (ConvertTo-SecureString "UncleOwen!" -AsPlainText -Force)
+Sets the user’s password (converted into a secure format).
+
+-Enabled $true
+Enables the account immediately after creation.
+
+### Get-ADUser
+
+For having aformation about a user 
+return basic information
+
+```powershell
+Get-ADUser mrsh
+
+# we can turn it to a variable
+$user = Get-ADUser
+
+# we can return information
+$user.DistguishedName
+$user.GivenName
+
+# extract information
+$user.GivenName | Out-File users.txt
+```
+
+### Set-ADUser
+
+add or replace informations about a user
+
+```powershell
+Set-ADUser -Identity fbaggins -Surname Tyler
+```
+### Set-ADAccountPassword
+
+Change the password of a user
+
+```powershell
+Set-ADAccountPassword -Identity lskywalker -Reset -NewPassword (ConverTo-SecureString -AsPlainText "OldBen123" -Force)
+```
+
+### Add-ADGroupMember
+
+Add a member to a group
+```powershell
+Add-ADGroupMember - Identity Fellowship - Members fbaggins
+```
+
+### Remove-ADGroupMember
+
+Remove a member to the group
+
+```powershell
+Remove-ADGroupMember - Identity Fellowship - Members fbaggins
+```
+