diff --git a/README.md b/README.md
index 2989ef7..85e818b 100644
--- a/README.md
+++ b/README.md
@@ -211,6 +211,7 @@ smart people at [Hashrocket](http://hashrocket.com/).
 - [Kill Everything Running On A Certain Port](unix/kill-everything-running-on-a-certain-port.md)
 - [Killing A Frozen SSH Session](unix/killing-a-frozen-ssh-session.md)
 - [List All The Say Voices](unix/list-all-the-say-voices.md)
+- [List All Users](unix/list-all-users.md)
 - [Only Show The Matches](unix/only-show-the-matches.md)
 - [Repeat Yourself](unix/repeat-yourself.md)
 - [Saying Yes](unix/saying-yes.md)
diff --git a/unix/list-all-users.md b/unix/list-all-users.md
new file mode 100644
index 0000000..cfae2bc
--- /dev/null
+++ b/unix/list-all-users.md
@@ -0,0 +1,11 @@
+# List All Users
+
+On unix-based systems, all system users are listed with other relevant
+information in the `/etc/passwd` file. You can output a quick list of the
+users by name with the following command:
+
+```
+$ cut -d: -f1 /etc/passwd
+```
+
+[source](http://askubuntu.com/questions/410244/a-command-to-list-all-users-and-how-to-add-delete-modify-users)