diff --git a/Makefile b/Makefile
index 8037a76..696fdb2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
 include config.mk
 
-all: src/main.c src/printevents.c src/mkevent.c
-	$(CC) $(CFLAGS) $(LDFLAGS) -c src/main.c -o src/main.o
+all: src/nc.c src/printevents.c src/mkevent.c
+	$(CC) $(CFLAGS) $(LDFLAGS) -c src/nc.c -o src/nc.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -c src/printevents.c -o src/printevents.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -c src/mkevent.c -o src/mkevent.o
-	$(CC) $(CFLAGS) $(LDFLAGS) -o src/nc src/main.o src/printevents.o src/mkevent.o
+	$(CC) $(CFLAGS) $(LDFLAGS) -o src/nc src/nc.o src/printevents.o src/mkevent.o
 
 install: src/nc
 	install src/nc $(PREFIX)/bin
diff --git a/include/libcolor.h b/include/libcolor.h
deleted file mode 100644
index 09ff2f9..0000000
--- a/include/libcolor.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* libcolor.h - header file to define colors */
-
-#ifndef LIBCOLOR_H_
-#define LIBCOLOR_H_
-
-#define TXT_BOLD	"\e[1m"
-#define TXT_RESET	"\e[m"
-
-#define COL_RED		"\x1b[31m"
-#define COL_GREEN	"\x1b[32m"
-#define COL_YELLOW	"\x1b[33m"
-#define COL_BLUE	"\x1b[34m"
-#define COL_MAGENTA	"\x1b[35m"
-#define COL_CYAN	"\x1b[36m"
-#define COL_RESET	"\x1b[0m"
-
-#endif
diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index df47339..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "../include/libcolor.h"
-
-#include "nc.h"
-
-int main(int argc, char *argv[]) {
-
-	if (argc < 2) {
-		printf("not enough options\n");
-		printf("usage: %s -l -n DATE EVENT_NAME\n", argv[0]);
-		return 1;
-	}
-
-	int opt;
-
-	while ((opt = getopt(argc, argv, ":if:nl")) != -1) {
-		switch(opt) {
-			case 'n':
-				mkevent(argc, argv);
-				break;
-			case 'l':
-				printevents();
-				break;
-			case '?':
-				printf("unknown option: %c\n", optopt);
-				printf("usage: %s -l -n DATE EVENT_NAME\n", argv[0]);
-				break;
-		}
-	}
-
-	return 0;
-}
diff --git a/src/nc.c b/src/nc.c
new file mode 100644
index 0000000..94f9cdb
--- /dev/null
+++ b/src/nc.c
@@ -0,0 +1,95 @@
+/*
+	nc.c - simple CLI to-do list
+
+	This file is part of nc.
+
+	nc is free software: you can redistribute it and/or modify it
+	under the terms of the GNU General Public License as published by the
+	Free Software Foundation, either version 3 of the License, or (at your
+	option) any later version.
+
+	nc is distributed in the hope that it will be useful, but WITHOUT
+	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+	for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with nc. If not, see <https://www.gnu.org/licenses/>. 
+*/
+
+#include <libcolor.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "nc.h"
+
+#include "config.h" /* for outputting NC_EVENTS_FILE */
+
+static void
+usage(int argc, char *argv[])
+{
+	printf("%s - simple CLI to-do list\n", argv[0]);
+	printf("usage: %s [-h] [-v] [-s] [-n] [-l]\n", argv[0]);
+	printf("\n");
+	printf("%s {-h}			Show this message\n", argv[0]);
+	printf("%s {-v}			Show the current version\n", argv[0]);
+	printf("%s {-s}			View compile-time settings\n", argv[0]);
+	printf("%s {-n}	DATE NAME	Create a new event\n", argv[0]);
+	printf("%s {-l}			Show current events\n", argv[0]);
+	printf("\n");
+	printf("Nc is free software.\n");
+	printf("See the GNU GPL version 3 for details.\n");
+}
+
+static void
+usage_small(int argc, char *argv[])
+{
+	printf("usage: %s [-h] [-v] [-s] [-n] [-l]\n", argv[0]);
+}
+
+static void
+view_compile_time_settings(int argc, char *argv[])
+{
+	printf("Compile-time settings for %s\n", argv[0]);
+	printf("Events file: " NC_EVENTS_FILE "\n");
+}
+
+int main(int argc, char *argv[]) {
+
+	if (argc < 2) {
+		usage_small(argc, argv);
+		exit(1);
+	}
+
+	int opt;
+
+	while ((opt = getopt(argc, argv, ":if:hvsnl")) != -1) {
+		switch(opt) {
+		case 'h':
+			usage(argc, argv);
+			exit(0);
+			break;
+		case 'v':
+			printf(NC_VERSION "\n");
+			exit(0);
+			break;
+		case 's':
+			view_compile_time_settings(argc, argv);
+			exit(0);
+			break;
+		case 'n':
+			mkevent(argc, argv);
+			break;
+		case 'l':
+			printevents();
+			break;
+		case '?':
+			usage_small(argc, argv);
+			exit(1);
+			break;
+		}
+	}
+
+	return 0;
+}
diff --git a/src/nc.h b/src/nc.h
index 752d471..7b3eccd 100644
--- a/src/nc.h
+++ b/src/nc.h
@@ -1,7 +1,12 @@
 #ifndef NC_H_
 #define NC_H_
 
+static void usage(int argc, char *argv[]);
+static void usage_small(int argc, char *argv[]);
+static void view_compile_time_settings(int argc, char *argv[]);
 char mkevent(int argc, char *argv[]);
 char printevents();
 
+#define NC_VERSION	"1.0.0"
+
 #endif
diff --git a/src/printevents.c b/src/printevents.c
index f1663bf..a3e483d 100644
--- a/src/printevents.c
+++ b/src/printevents.c
@@ -14,14 +14,14 @@ char printevents() {
 
 	fp = fopen(NC_EVENTS_FILE, "r");
 	if (fp == NULL) {
-		printf(TXT_BOLD COL_RED "events file does not exist\n");
-		printf("ensure the events file defined in config.h exists\n" COL_RESET TXT_RESET);
+		printf(COL_RED "events file does not exist\n");
+		printf("ensure the events file defined in config.h exists\n" COL_RESET);
 		exit(1);
 	}
 
 	time_t t = time(NULL);
-	printf(TXT_BOLD COL_BLUE "[:=] To do for %s", ctime(&t));
-	printf(COL_RESET TXT_RESET "\n");
+	printf(COL_BLUE "[:=] To do for %s", ctime(&t));
+	printf(COL_RESET"\n");
 
 	contents = fgetc(fp);
 		while (contents != EOF) {