diff --git a/linux/SWAP.txt b/linux/SWAP.txt
new file mode 100644
index 0000000..89f35fb
--- /dev/null
+++ b/linux/SWAP.txt
@@ -0,0 +1,5 @@
+  fallocate -l 2G /swap2file
+  chmod 600 /swap2file 
+  mkswap /swap2file 
+  swapon /swap2file
+
diff --git a/linux/hdparm.txt b/linux/hdparm.txt
new file mode 100644
index 0000000..4969487
--- /dev/null
+++ b/linux/hdparm.txt
@@ -0,0 +1,3 @@
+# snelheid van de sd etc
+hdparm -t --direct /dev/mmcblk0p2
+