GMS Linux: start?

userprog/rm/Makefile

@@ -0,0 +1,15 @@
+TARGET = rm
+SRCS = rm.c
+CC = gcc
+CFLAGS = -static -Wall
+
+OUT_BIN ?= $(TARGET)
+
+all: $(OUT_BIN)
+
+$(OUT_BIN): $(SRCS)
+	@echo "   [CC] Compiling to $(OUT_BIN)..."
+	$(CC) $(CFLAGS) -o $@ $^
+
+clean:
+	rm -f $(TARGET)

userprog/rm/rm.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+int main(int argc, char *argv[]) {
+    if (argc != 2) {
+        printf("Usage: rm <filename>\n");
+        return 1;
+    }
+
+    if (unlink(argv[1]) < 0) {
+        perror("rm");
+        return 1;
+    }
+
+    return 0;
+}