diff --git a/cheat/cheatsheets/patch b/cheat/cheatsheets/patch
new file mode 100644
index 0000000..a3485c6
--- /dev/null
+++ b/cheat/cheatsheets/patch
@@ -0,0 +1,13 @@
+# Patch one file
+patch version1 < version.patch
+
+# Reverse a patch
+patch -R version1 < version.patch
+
+# Patch all files in a directory, adding any missing new files
+# -p strips leading slashes
+$ cd dir
+$ patch -p1 -i ../big.patch
+
+# Patch files in a directory, with one level (/) offset
+patch -p1 -r version1/ < version.patch