diff --git a/dnvm.ps1 b/dnvm.ps1
index 5d59645840..25bed07bf1 100644
--- a/dnvm.ps1
+++ b/dnvm.ps1
@@ -67,7 +67,7 @@ function _WriteOut {
 
 ### Constants
 $ProductVersion="1.0.0"
-$BuildVersion="beta7-10410"
+$BuildVersion="beta8-15502"
 $Authors="Microsoft Open Technologies, Inc."
 
 # If the Version hasn't been replaced...
@@ -359,7 +359,7 @@ function Get-RuntimeAlias {
     if($Aliases -eq $null) {
         _WriteDebug "Scanning for aliases in $AliasesDir"
         if(Test-Path $AliasesDir) {
-            $Aliases = @(Get-ChildItem ($UserHome + "\alias\") | Select-Object @{label='Alias';expression={$_.BaseName}}, @{label='Name';expression={Get-Content $_.FullName }})
+            $Aliases = @(Get-ChildItem ($UserHome + "\alias\") | Select-Object @{label='Alias';expression={$_.BaseName}}, @{label='Name';expression={Get-Content $_.FullName }}, @{label='Orphan';expression={-Not (Test-Path ($RuntimesDir + "\" + (Get-Content $_.FullName)))}})
         } else {
             $Aliases = @()
         }
@@ -396,18 +396,20 @@ function Get-RuntimeAliasOrRuntimeInfo(
 filter List-Parts {
     param($aliases)
 
-    $binDir = Join-Path $_.FullName "bin"
-    if (!(Test-Path $binDir)) {
-        return
+	$location = ""
+
+	$binDir = Join-Path $_.FullName "bin"
+	if ((Test-Path $binDir)) {
+        $location = $_.Parent.FullName
     }
-    $active = IsOnPath $binDir
-    
+	$active = IsOnPath $binDir
+
     $fullAlias=""
     $delim=""
 
     foreach($alias in $aliases) {
         if($_.Name.Split('\', 2) -contains $alias.Name) {
-            $fullAlias += $delim + $alias.Alias
+            $fullAlias += $delim + $alias.Alias + (&{if($alias.Orphan){" (missing)"}})
             $delim = ", "
         }
     }
@@ -416,7 +418,7 @@ filter List-Parts {
     $parts2 = $parts1[0].Split('-', 4)
 
     if($parts1[0] -eq "$RuntimePackageName-mono") {
-        $parts2 += "linux/darwin"
+        $parts2 += "linux/osx"
         $parts2 += "x86/x64"
     }
 
@@ -426,7 +428,7 @@ filter List-Parts {
         Runtime = $parts2[1]
         OperatingSystem = $parts2[2]
         Architecture = $parts2[3]
-        Location = $_.Parent.FullName
+        Location = $location
         Alias = $fullAlias
     }
 }
@@ -925,7 +927,7 @@ function dnvm-help {
         _WriteOut -ForegroundColor $ColorScheme.Help_Header "commands: "
         Get-Command "$CommandPrefix*" | 
             ForEach-Object {
-                if($Host.Version.MajorVersion -lt 3) {
+                if($Host.Version.Major -lt 3) {
                     $h = Get-Help $_.Name
                 } else {
                     $h = Get-Help $_.Name -ShowWindow:$false
@@ -978,6 +980,10 @@ function dnvm-list {
         }
     }
 
+	$aliases | Where-Object {$_.Orphan} | ForEach-Object {
+		$items += $_ | Select-Object @{label='Name';expression={$_.Name}}, @{label='FullName';expression={Join-Path $RuntimesDir $_.Name}} | List-Parts $aliases
+	}
+
     if($PassThru) {
         $items
     } else {
diff --git a/dnvm.sh b/dnvm.sh
index 46df53534e..1a8e346f9a 100644
--- a/dnvm.sh
+++ b/dnvm.sh
@@ -2,7 +2,7 @@
 # Source this file from your .bash-profile or script to use
 
 # "Constants"
-_DNVM_BUILDNUMBER="beta7-10410"
+_DNVM_BUILDNUMBER="beta8-15502"
 _DNVM_AUTHORS="Microsoft Open Technologies, Inc."
 _DNVM_RUNTIME_PACKAGE_NAME="dnx"
 _DNVM_RUNTIME_FRIENDLY_NAME=".NET Execution Environment"
@@ -736,7 +736,7 @@ dnvm()
             [[ ! -d $_DNVM_USER_PACKAGES ]] && echo "$_DNVM_RUNTIME_FRIENDLY_NAME is not installed." && return 1
 
             local searchGlob="$_DNVM_RUNTIME_PACKAGE_NAME-*"
-            local runtimes="$(find $_DNVM_USER_PACKAGES -name "$searchGlob" \( -type d -or -type l \) -prune -exec basename {} \; | sort -t. -k2 -k3 -k4 -k1)"
+            local runtimes="$(find $_DNVM_USER_PACKAGES -name "$searchGlob" \( -type d -or -type l \) -prune -exec basename {} \;)"
 
             [[ -z $runtimes ]] && echo 'No runtimes installed. You can run `dnvm install latest` or `dnvm upgrade` to install a runtime.' && return
 
@@ -752,7 +752,12 @@ dnvm()
             local format="%-20s %s\n"
             if [ -d "$_DNVM_ALIAS_DIR" ]; then
                 for __dnvm_file in $(find "$_DNVM_ALIAS_DIR" -name *.alias); do
-                    arr[$i]="$(basename $__dnvm_file | sed 's/\.alias//')/$(cat $__dnvm_file)"
+                    if [ ! -d "$_DNVM_USER_PACKAGES/$(cat $__dnvm_file)" ]; then
+                        arr[$i]="$(basename $__dnvm_file | sed 's/\.alias//')/missing/$(cat $__dnvm_file)"
+                        runtimes="$runtimes $(cat $__dnvm_file)"
+                    else
+                        arr[$i]="$(basename $__dnvm_file | sed 's/\.alias//')/$(cat $__dnvm_file)"
+                    fi
                     let i+=1
                 done
             fi
@@ -767,8 +772,8 @@ dnvm()
                 printf "$formatString" "------" "-------" "-------" "----" "---------------" "-----"
             fi
 
-            local formattedHome=`(echo $_DNVM_USER_PACKAGES | sed s=$HOME=~=g)`
-            for f in `echo $runtimes`; do
+            for f in `echo $runtimes  | sort -t. -k2 -k3 -k4 -k1`; do
+                local formattedHome=`(echo $_DNVM_USER_PACKAGES | sed s=$HOME=~=g)`
                 local active=""
                 [[ $PATH == *"$_DNVM_USER_PACKAGES/$f/bin"* ]] && local active="  *"
                 local pkgRuntime=$(__dnvm_package_runtime "$f")
@@ -780,9 +785,13 @@ dnvm()
                 local alias=""
                 local delim=""
                 for i in "${arr[@]}"; do
-                    if [[ ${i#*/} == "$pkgName.$pkgVersion" ]]; then
-                        alias+="$delim${i%/*}"
+                    if [[ ${i##*/} == "$pkgName.$pkgVersion" ]]; then
+                        alias+="$delim${i%%/*}"
                         delim=", "
+                        if [[ "${i%/*}" =~ \/missing$ ]]; then
+                            alias+=" (missing)"
+                            formattedHome=""
+                        fi
                     fi
                 done