diff --git a/clite/build.js b/clite/build.js
new file mode 100644
index 0000000..fd4b957
--- /dev/null
+++ b/clite/build.js
@@ -0,0 +1,140 @@
+clite.commands.data = function() {
+// insert commands below this line
+
+clite.commands.load('cc',function(args,env,io) {
+	var stdlib = io.include('stdlib');
+	var stdio = io.include('stdio');
+	var time = io.include('time');
+	var clite = io.include('clite');
+
+	var ifiles = [];
+	var ofile = null;
+	var link = true;
+
+	var includes = [];
+	var code = [];
+
+	function help() {
+		stdio.printf(`
+cc - code compiler
+Usage: ls [OPTIONS] <FILE>
+
+Options:
+-?	Print this help information
+-o <FILE>	Output to <FILE>
+-c	Compile but do not link
+`);
+	}
+
+	function compile(file) {
+		var fd = stdio.open(file,stdio.flags.O_RDONLY);
+		if (!fd) {
+			stdio.fprintf(io.stderr,'Error: Cannot open file: %s\n',file);
+			return false;
+		}
+		var c = stdio.readAll(fd);
+		stdio.close(fd);
+		if (!c) {
+			stdio.fprintf(io.stderr,'Error: Cannot read file: %s\n',file);
+			return false;
+		}
+
+		try{
+			var f = new Function('args','env','io',c+';return main(args.length,args);');
+		} catch(e) {
+			var l = '';
+			if (typeof e.lineNumber !== 'undefined')
+				l = (e.lineNumber-2)+':';
+			stdio.fprintf(io.stderr,'Error: %s:%s %s\n',file,l,e.message);
+			return false;
+		}
+		code.push(c);
+		return true;
+	}
+
+	function output() {
+		if (!link) {
+			stdio.fprintf(io.stderr,'Error: Compile-only is not currently supported\n',ofile);
+			return false;
+		}
+
+		var c = code.join('\n')+';return main(args.length,args);';
+		var f;
+
+		try{
+			f = new Function('args','env','io',c);
+		} catch(e) {
+			stdio.fprintf(io.stderr,'Error: Could not create executable file: %s\n',e.message);
+			return false;
+		}
+
+		var fd = stdio.open(ofile,stdio.flags.O_WRONLY|stdio.flags.O_CREAT|stdio.flags.O_TRUNC);
+		if (!fd) {
+			stdio.fprintf(io.stderr,'Error: Cannot open output file: %s\n',ofile);
+			return false;
+		}
+
+		if (!stdio.write(fd,f)) {
+			stdio.close(fd);
+			stdio.fprintf(io.stderr,'Error: Cannot write output file: %s\n',ofile);
+			return false;
+		}
+
+		stdio.close(fd);
+
+		return true;
+	}
+
+	function main(argc,argv) {
+
+		for (var i=1; i<argc; i++) {
+			if (argv[i][0] == '-') {
+				for (var j=1; j<argv[i].length; j++) {
+					switch (argv[i][j]) {
+					case '?':
+						help();
+						return 0;
+						break;
+					case 'o':
+						ofile = true;
+						break;
+					case 'c':
+						link = false;
+						break;
+					default:
+						stdio.fprintf(io.stderr,'unknown argument: -%c\n',argv[i][j]);
+					}
+				}
+			}else if (ofile === true) {
+				ofile = clite.resolvePath(argv[i],false);
+			}else{
+				ifiles.push(clite.resolvePath(argv[i],false));
+			}
+		}
+
+		if (ofile == true)
+			return 1;
+		if (ifiles.length < 1) {
+			stdio.fprintf(io.stderr,'Error: No files specified\n');
+			return 1;
+		}
+
+		if (ofile == null)
+			ofile = clite.resolvePath('out.bin',false);
+
+		for (var i=0; i<ifiles.length; i++) {
+			if (!compile(ifiles[i]))
+				break;
+		}
+
+		if (!output())
+			return 1;
+
+		return 0;
+	}
+
+	return main(args.length,args);
+});
+
+// insert commands above this line
+}
diff --git a/clite/commands.js b/clite/commands.js
index dfd01ba..d1a7b96 100644
--- a/clite/commands.js
+++ b/clite/commands.js
@@ -207,7 +207,7 @@ Options:
 			|| st.type == stdio.types.FT_DIR
 			|| st.type == stdio.types.FT_LINK
 			|| st.type == stdio.types.FT_BINARY
-			|| st.type == stdio.types.FT_UNKOWN
+			|| st.type == stdio.types.FT_UNKNOWN
 			|| st.type == stdio.types.FT_IMAGE
 		) {
 			if (st) {
@@ -282,7 +282,7 @@ Options:
 				|| st.type == stdio.types.FT_DIR
 				|| st.type == stdio.types.FT_LINK
 				|| st.type == stdio.types.FT_BINARY
-				|| st.type == stdio.types.FT_UNKOWN
+				|| st.type == stdio.types.FT_UNKNOWN
 				|| st.type == stdio.types.FT_IMAGE
 			) {
 				stdio.fprintf(io.stderr,'not a normal file: %s\n',file);
diff --git a/clite/core.js b/clite/core.js
index a7f50e5..15f2ba3 100644
--- a/clite/core.js
+++ b/clite/core.js
@@ -8,7 +8,7 @@ var clite = {
 	},
 	includes:{
 		// a list of program/command files to load
-		prog:['commands.js','shell.js','vi.js','user.js'],
+		prog:['commands.js','shell.js','vi.js','user.js','build.js'],
 		// a list of library files to load
 		libs:['libclite.js','libcurses.js','libstd.js','libstdio.js','libterm.js','libtime.js','libauth.js']
 	},
@@ -2229,7 +2229,7 @@ clite.io = {
 	// 8: image
 	// 9: shared object (library)
 	types:{
-		FT_UNKOWN:0,
+		FT_UNKNOWN:0,
 		FT_TEXT:1,
 		FT_BINARY:2,
 		FT_DIR:3,
@@ -3220,7 +3220,7 @@ clite.lib = {
 		if (fd.node.data.content == null) {
 			if (fd.node.data.remote != null)
 				return clite.io.types.FT_REMOTE;
-			return clite.io.types.FT_UNKOWN;
+			return clite.io.types.FT_UNKNOWN;
 		}
 		if (fd.node.data.islink)
 			return clite.io.types.FT_LINK;
@@ -3241,7 +3241,7 @@ clite.lib = {
 			}else if (fd.node.data.content.length == 3) {
 				return clite.io.types.FT_BINARY;
 			}else{
-				return clite.io.types.FT_UNKOWN;
+				return clite.io.types.FT_UNKNOWN;
 			}
 			break;
 		case 'object':
@@ -3255,9 +3255,9 @@ clite.lib = {
 		case 'bigint':
 		case 'undefined':
 		default:
-			return clite.io.types.FT_UNKOWN;
+			return clite.io.types.FT_UNKNOWN;
 		}
-		return clite.io.types.FT_UNKOWN;
+		return clite.io.types.FT_UNKNOWN;
 	},
 	checkNodeReadable:function(node,pid) {
 		var uid = clite.proc.getUID(pid);
diff --git a/readme-libs.txt b/readme-libs.txt
index 895d35a..c9a313d 100644
--- a/readme-libs.txt
+++ b/readme-libs.txt
@@ -222,7 +222,7 @@ stdio (libio.so): io.include('stdio')
 
  stdio.types:
   object for mapping values of stat.type:
-	FT_UNKOWN:	0 Unknown file type
+	FT_UNKNOWN:	0 Unknown file type
 	FT_TEXT:	1 Plain text file
 	FT_BINARY:	2 Binary file, likely a javascript function
 	FT_DIR:		3 Directory