feat: Initial commit

Lab02/executor.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#define LEN 128
+#define USE_LIB 0
+
+int main(int argc, char ** argv) {
+  FILE *flist;
+  
+  if (argc < 2) return 1;
+
+  flist = fopen(argv[1], "r");
+
+  char cmd[LEN];
+
+  while(fgets(cmd, LEN, flist)) {
+	  if (USE_LIB) {
+		system(cmd);
+		continue;
+	  }
+
+	  if (!fork()) {
+		  execl("/bin/sh", "sh", "-c", cmd, (char *) NULL);
+	  } else {
+		  sleep(3);
+	  }
+  }
+
+  return 0;
+}