diff --git a/ex1/ex1.c b/ex1/ex1.c
index c4b111641..819421d38 100644
--- a/ex1/ex1.c
+++ b/ex1/ex1.c
@@ -8,7 +8,24 @@
 
 int main(void)
 {
-    // Your code here
+    int x = 100;
+
+        printf("Parent PID: %d, x = %d \n", (int)getpid(), x);
+
+        int rc = fork();
+
+        if (rc == 0)
+        {
+            printf("Fork successful. We are the child process.\n Child PID: %d, Parent PID: %d", getpid(), getppid());
+        }
+        else if (rc > 0)
+        {
+            printf("We are the parent process.\n Parent PID: %d of Child PID: %d", getpid(), rc, x);
+        }
+        else
+        {
+            printf(stderr, "Fork failed");
+        }
 
     return 0;
 }
diff --git a/ex2/ex2.c b/ex2/ex2.c
index 4245375b9..e6bc2670d 100644
--- a/ex2/ex2.c
+++ b/ex2/ex2.c
@@ -8,7 +8,25 @@
 
 int main(void)
 {
-    // Your code here 
-    
+    FILE *fptr;
+    fptr = fopen("text.txt", "w");
+
+    int rc = fork();
+
+    if (rc < 0) {    // fork failed; exit
+        fprintf(stderr, "fork failed\n");
+        exit(1);
+    } else if (rc == 0) {    // child process satisfies this branch
+        printf("hello, child here (pid: %d) \n", (int) getpid());
+    } else {
+        printf("hello, parent here (pid: %d) of child %d\n", (int) getpid(), rc);
+    }
+
+    if (fptr == NULL) 
+    {
+    printf("Error opening text file!");
+    exit(1);
+    }
+
     return 0;
 }
diff --git a/ex3/ex3.c b/ex3/ex3.c
index 3a3698c1f..1ded242dc 100644
--- a/ex3/ex3.c
+++ b/ex3/ex3.c
@@ -9,7 +9,22 @@
 
 int main(void)
 {
-    // Your code here
+    int rc = fork();
 
+    if (rc < 0) 
+    {
+        fprintf(stderr, "Fork failed");
+        exit(1);
+    }
+    else if (rc == 0)
+    {
+        printf("Hello from Child %d", (int) getpid());
+    }
+    else
+    {
+        int wc = waitpid(rc, NULL, 0);  //wait or child to terminate, dont care about status, no flags
+        printf("Goodbye from Parent %d of Child %d", (int) getpid(), rc);
+    }
+    
     return 0;
 }
diff --git a/ex4/ex4.c b/ex4/ex4.c
index 0221ca96e..11b508291 100644
--- a/ex4/ex4.c
+++ b/ex4/ex4.c
@@ -10,7 +10,19 @@
 
 int main(void)
 {
-    // Your code here    
+    int rc = fork;
+
+    if (rc < 0) 
+    {
+        fprintf(stderr, "Fork failed!\n");
+        exit(1);
+    }
+    else 
+    {
+        //execl("/bin/ls", "ls", NULL);
+        char *args[] = {"ls", "-l", NULL};
+        execvp(args[0], args);
+    }
 
     return 0;
 }
diff --git a/ex5/ex5.c b/ex5/ex5.c
index cbf3b8e61..9bf72d734 100644
--- a/ex5/ex5.c
+++ b/ex5/ex5.c
@@ -16,7 +16,40 @@ char* msg3 = "hello world #3";
 
 int main(void)
 {
-    // Your code here
+    printf("parent %d\n", (int) getpid());
+    char inbuffer[MSGSIZE];
+    int p[2];
+
+    if (pipe(p) < 0) 
+    {
+        fprintf(stderr, "Pipe failure\n");
+        exit(1);
+    }
+    int rc = fork();
+    if (rc < 0) 
+    {
+        fprintf(stderr, "Fork failure\n");
+        exit(2);
+    }
+    else if (rc == 0)
+    {
+        printf("Child writing to pipe\n");
+        write(p[1], msg1, MSGSIZE);
+        write(p[1], msg2, MSGSIZE);
+        write(p[1], msg3, MSGSIZE);
+    }
+    else 
+    {
+        close(p[1]); //close write branch
+        wait(NULL); //not necessary b/c processes can run at same time but doesnt hurt
+        //ssize_t read(int fd, void *buf, size_t count);
+        for (int i = 0; i < 3; i++) 
+        {
+            read(p[0], inbuffer, MSGSIZE);
+            printf("%s\n", inbuffer);
+        }
+        close(p[0]);  //close read
+    }
     
     return 0;
 }