add directory study

study/linux-travel/MINIX-1.5/1.5/Source/commands/Makefile

@@ -0,0 +1,27 @@
+# To make  'cp', type:   make f=cp
+# To make  'ls', type:   make f=ls
+# To make  'cat', type:   make f=cat
+# Get the idea?
+
+# To make everything, type:	make all
+
+l=/usr/lib
+CFLAGS=  -F -D_MINIX -D_POSIX_SOURCE
+
+File:	$l/libc.a $f.s
+	@echo ------------------------------ $f ------------------------------
+	@cc -i -o bin/$f $f.s
+	@chmem =8192 bin/$f >/dev/null
+
+clean:	
+	@rm -f *.s *.bak
+	@rm -f */*.s
+	@rm -f */*.bak
+
+all:	
+	@ls *.c >tmp.1
+	@sed <tmp.1 >tmp.2 '/\.c/s///;/^/s//make f=/'
+	@rm -rf tmp.1 bin
+	@mkdir bin
+	@sh tmp.2
+	@rm tmp.2