diff --git a/atomics/T1082/T1082.md b/atomics/T1082/T1082.md
index 6eb8fd97..5853aedf 100644
--- a/atomics/T1082/T1082.md
+++ b/atomics/T1082/T1082.md
@@ -26,6 +26,8 @@ Permissions Required: User</blockquote>
 
 - [Atomic Test #2 - System Information Discovery](#atomic-test-2---system-information-discovery)
 
+- [Atomic Test #3 - List OS Information](#atomic-test-3---list-os-information)
+
 
 <br/>
 
@@ -56,3 +58,19 @@ system_profiler
 ls -al /Applications
 ```
 <br/>
+<br/>
+
+## Atomic Test #3 - List OS Information
+Identify System Info
+
+**Supported Platforms:** Linux, macOS
+
+
+#### Run it with `sh`!
+```
+uname -a >> /tmp/loot.txt
+cat /etc/lsb-release >> /tmp/loot.txt
+cat /etc/redhat-release >> /tmp/loot.txt
+uptime >> /tmp/loot.txt
+```
+<br/>
diff --git a/atomics/T1083/T1083.md b/atomics/T1083/T1083.md
index 37a27bff..b1da1314 100644
--- a/atomics/T1083/T1083.md
+++ b/atomics/T1083/T1083.md
@@ -28,6 +28,8 @@ System Requirements: Some folders may require Administrator, SYSTEM or specific
 
 - [Atomic Test #2 - nix file and diectory discovery](#atomic-test-2---nix-file-and-diectory-discovery)
 
+- [Atomic Test #3 - nix file and diectory discovery](#atomic-test-3---nix-file-and-diectory-discovery)
+
 
 <br/>
 
@@ -72,3 +74,19 @@ find . -type f
 ls -R | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/ /' -e 's/-/|/'
 ```
 <br/>
+<br/>
+
+## Atomic Test #3 - nix file and diectory discovery
+Find or discovery files on the file system
+
+**Supported Platforms:** macOS, Linux
+
+
+#### Run it with `sh`!
+```
+cd $HOME && find . -print | sed -e 's;[^/]*/;|__;g;s;__|; |;g' > /tmp/loot.txt
+cat /etc/mtab > /tmp/loot.txt
+find . -type f -iname *.pdf > /tmp/loot.txt
+find . -type f -name ".*"
+```
+<br/>
diff --git a/atomics/index.md b/atomics/index.md
index cb88aaa0..8d2b3086 100644
--- a/atomics/index.md
+++ b/atomics/index.md
@@ -289,6 +289,7 @@
 - [T1083 File and Directory Discovery](./T1083/T1083.md)
   - Atomic Test #1: File and Directory Discovery [windows]
   - Atomic Test #2: nix file and diectory discovery [macos, linux]
+  - Atomic Test #3: nix file and diectory discovery [macos, linux]
 - [T1046 Network Service Scanning](./T1046/T1046.md)
   - Atomic Test #1: Scan a bunch of ports to see if they are open [linux, macos]
 - [T1135 Network Share Discovery](./T1135/T1135.md)
@@ -314,6 +315,7 @@
 - [T1082 System Information Discovery](./T1082/T1082.md)
   - Atomic Test #1: System Information Discovery [windows]
   - Atomic Test #2: System Information Discovery [linux, macos]
+  - Atomic Test #3: List OS Information [linux, macos]
 - [T1016 System Network Configuration Discovery](./T1016/T1016.md)
   - Atomic Test #1: System Network Configuration Discovery [windows]
   - Atomic Test #2: System Network Configuration Discovery [macos, linux]
diff --git a/atomics/linux-index.md b/atomics/linux-index.md
index 317ce7ed..216b8004 100644
--- a/atomics/linux-index.md
+++ b/atomics/linux-index.md
@@ -32,6 +32,7 @@
 - [T1217 Browser Bookmark Discovery](https://github.com/redcanaryco/atomic-red-team/blob/uppercase-everything/CONTRIBUTIONS.md)
 - [T1083 File and Directory Discovery](./T1083/T1083.md)
   - Atomic Test #2: nix file and diectory discovery [macos, linux]
+  - Atomic Test #3: nix file and diectory discovery [macos, linux]
 - [T1046 Network Service Scanning](./T1046/T1046.md)
   - Atomic Test #1: Scan a bunch of ports to see if they are open [linux, macos]
 - [T1201 Password Policy Discovery](https://github.com/redcanaryco/atomic-red-team/blob/uppercase-everything/CONTRIBUTIONS.md)
@@ -44,6 +45,7 @@
   - Atomic Test #5: Remote System Discovery - sweep [linux, macos]
 - [T1082 System Information Discovery](./T1082/T1082.md)
   - Atomic Test #2: System Information Discovery [linux, macos]
+  - Atomic Test #3: List OS Information [linux, macos]
 - [T1016 System Network Configuration Discovery](./T1016/T1016.md)
   - Atomic Test #2: System Network Configuration Discovery [macos, linux]
 - [T1049 System Network Connections Discovery](https://github.com/redcanaryco/atomic-red-team/blob/uppercase-everything/CONTRIBUTIONS.md)
diff --git a/atomics/macos-index.md b/atomics/macos-index.md
index d71c2381..bb02f176 100644
--- a/atomics/macos-index.md
+++ b/atomics/macos-index.md
@@ -57,6 +57,7 @@
 - [T1217 Browser Bookmark Discovery](https://github.com/redcanaryco/atomic-red-team/blob/uppercase-everything/CONTRIBUTIONS.md)
 - [T1083 File and Directory Discovery](./T1083/T1083.md)
   - Atomic Test #2: nix file and diectory discovery [macos, linux]
+  - Atomic Test #3: nix file and diectory discovery [macos, linux]
 - [T1046 Network Service Scanning](./T1046/T1046.md)
   - Atomic Test #1: Scan a bunch of ports to see if they are open [linux, macos]
 - [T1135 Network Share Discovery](./T1135/T1135.md)
@@ -73,6 +74,7 @@
   - Atomic Test #3: Security Software Discovery - ps [linux, macos]
 - [T1082 System Information Discovery](./T1082/T1082.md)
   - Atomic Test #2: System Information Discovery [linux, macos]
+  - Atomic Test #3: List OS Information [linux, macos]
 - [T1016 System Network Configuration Discovery](./T1016/T1016.md)
   - Atomic Test #2: System Network Configuration Discovery [macos, linux]
 - [T1049 System Network Connections Discovery](https://github.com/redcanaryco/atomic-red-team/blob/uppercase-everything/CONTRIBUTIONS.md)