Create A01637205.c

labs/03/miTerminal.c

@@ -0,0 +1,82 @@
+#include <sys/types.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+
+int main() {
+    int option;
+    int pid;
+
+    do {
+
+        printf("Menu:\n");
+        printf("1. ls: List directory contents\n");
+        printf("2. pwd: Show full path of the current directory\n");
+        printf("3. date: Show the system's date and time\n");
+        printf("4. Exit the program\n");
+        printf("Please select an option: ");
+
+        scanf("%d", &option);
+
+        switch (option) {
+
+            //ls
+            case 1:
+                pid = fork();
+
+                if (pid == 0) {
+                    execlp("/bin/ls", "ls", NULL);
+
+                } else if (pid > 0) {
+                    wait(NULL);
+
+                } else {
+                    printf("Error creating the child process.\n");
+                }
+                break;
+
+            //pwd
+            case 2:
+                pid = fork();
+
+                if (pid == 0) {
+                    execlp("/bin/pwd", "pwd", NULL);
+
+                } else if (pid > 0) {
+                    wait(NULL);
+
+                } else {
+                    printf("Error creating the child process.\n");
+                }
+                break;
+
+            //date
+            case 3:
+                pid = fork();
+                if (pid == 0) {
+                    execlp("/bin/date", "date", NULL);
+
+                } else if (pid > 0) {
+                    wait(NULL);
+
+                } else {
+                    printf("Error creating the child process.\n");
+                }
+                break;
+
+            //exit
+            case 4:
+                printf("Exiting the program\n");
+                break;
+
+
+            default:
+                printf("Option not valid. Please enter a valid option.\n");
+        }
+
+    } while (option != 4);
+
+   return 0;
+}