diff --git a/.gitignore b/.gitignore
index 23f832b..5769e10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 *.html
 *.pdf
+
+/output
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d739a90
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+
+OUT_DIR = ./output
+SRC_FILES = $(wildcard *.md)
+OUT_FILES = $(SRC_FILES:.md=.pdf)
+
+PANDOC_OPT = --standalone
+
+.PHONY: all clean git test
+
+all: $(OUT_FILES)
+
+clean:
+	rm -f $(OUT_DIR)/*
+
+%.pdf: %.md
+	pandoc $(PANDOC_OPT) $^ -o $(OUT_DIR)/$@
+
diff --git a/linux/terminal.md b/linux/terminal.md
index 4372e88..75636fa 100644
--- a/linux/terminal.md
+++ b/linux/terminal.md
@@ -6,6 +6,7 @@
 ## ANSI escape sequences
 
 Ansi escape sequences are used to format output in a terminal. They **are prefixed with an escape character**, which can be written in a few ways:
+
 - Ctrl-Key `^[`
 - Octal `\033` (\0 for octal)
 - Hexadecimal `\x1B` (\x for hexadecimal)
diff --git a/make.md b/make.md
new file mode 100644
index 0000000..e5cbb04
--- /dev/null
+++ b/make.md
@@ -0,0 +1,9 @@
+# make
+
+## terminology
+
+```
+target: dependency      |
+  command               |
+  command               | rule
+```