diff --git a/README.md b/README.md
index b71e0ef..f9d6394 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,9 @@ ufw reset
 ## List alive IPs on Network (nmap)
 `sudo nmap -n -sn 192.168.56.0/24 -oG - | awk '/Up$/{print $2}' | sort -V`
 
+## Ping numerous IPs at once (using GNU Parallel)
+`parallel -u ping ::: host1 host2 host3`
+
 ## Mount NFS Share (nfs-common or nfs-utils)
 `sudo mount -t nfs 10.10.0.10:/backups /var/backups`
 ### /etc/fstab