2 files changed, 13 insertions, 0 deletions
diff --git a/bash.md b/bash.md
index 432bc5e..8aa926c 100644
--- a/bash.md
+++ b/bash.md
@@ -26,6 +26,12 @@ Loop over integers
 
     for i in `seq 10`; do echo $i; done
 
+Loop over lines of file:
+
+    while IFS= read -r line; do
+      echo "tester: $line"
+    done < "$1"
+
 ## Conditionals
 
 * `-z`: is empty string
diff --git a/network.md b/network.md
index 1720cb3..dfcf512 100644
--- a/network.md
+++ b/network.md
@@ -11,6 +11,13 @@
     # any protocol
     lsof -i :8000
 
+## Inspect network
+
+    # get hosts on LAN
+    nmap -sn 192.168.0.0/24
+    # inspect ports on particular machine
+    nmap 192.168.0.10
+
 ## DNS
 
 DNS lookup: