From 043585ba382757e44b1a0918f813fd11a8749aa6 Mon Sep 17 00:00:00 2001
From: ROLEX2616 <149988469+ROLEX2616@users.noreply.github.com>
Date: Thu, 9 May 2024 11:34:29 +0530
Subject: [PATCH] Update README.md

---
 README.md | 156 ++++++++++++++++++++++--------------------------------
 1 file changed, 62 insertions(+), 94 deletions(-)

diff --git a/README.md b/README.md
index 444557c9..74866ef8 100644
--- a/README.md
+++ b/README.md
@@ -23,106 +23,74 @@ Test the C Program for the desired output.
 
 # PROGRAM:
 
-## C Program to print process ID and parent Process ID using Linux API system calls
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-##OUTPUT
-
-
-
-
-
-
-
-
-
-
-
+Developed by : VARSHA A
 
+Register Number : 212223220121
 
+## C Program to print process ID and parent Process ID using Linux API system calls
+~~~
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+int main(void)
+{	//variable to store calling function's process id
+	pid_t process_id;
+	//variable to store parent function's process id
+	pid_t p_process_id;
+	//getpid() - will return process id of calling function
+	process_id = getpid();
+	//getppid() - will return process id of parent function
+	p_process_id = getppid();
+	//printing the process ids
+
+//printing the process ids
+	printf("The process id: %d\n",process_id);
+	printf("The process id of parent function: %d\n",p_process_id);
+	return 0; }
+~~~
+
+## OUTPUT
+![322059149-fc4a585f-bf4c-46e2-8b28-bf0834b838b5](https://github.com/04Varsha/Linux-Process-API-fork-wait-exec/assets/149035374/277a5ef9-b0c2-4e5b-ad59-4a415db2c31c)
 
 ## C Program to create new process using Linux API system calls fork() and exit()
-
-
-
-
-
-
-
-
-
-
-
-
-
-##OUTPUT
-
-
-
-
-
-
-
+~~~
+#include <stdio.h>
+#include<stdlib.h>
+int main()
+{ int pid; 
+pid=fork(); 
+if(pid == 0) 
+{ printf("Iam child my pid is %d\n",getpid()); 
+printf("My parent pid is:%d\n",getppid()); 
+exit(0); } 
+else{ 
+printf("I am parent, my pid is %d\n",getpid()); 
+sleep(100); 
+exit(0);} 
+}
+~~~
+
+## OUTPUT
+
+![322059342-77e05b6f-d0c2-43ee-be5c-16bd0e20cd63](https://github.com/04Varsha/Linux-Process-API-fork-wait-exec/assets/149035374/88cf0f5e-c8fc-4341-b71a-c87c6979fdf1)
 
 ## C Program to execute Linux system commands using Linux API system calls exec() family
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-##OUTPUT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+~~~
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+int main()
+{
+	printf("Running ps with execlp\n");
+	execlp("ps", "ps", "ax", NULL);
+	printf("Done.\n");
+	exit(0);
+}
+~~~
+
+## OUTPUT
+
+![322059755-ef1d3f60-fadd-482f-86ea-bbf59756cf8b](https://github.com/04Varsha/Linux-Process-API-fork-wait-exec/assets/149035374/1842c773-69d6-4a4d-9e90-fd5f92813952)
 
 # RESULT:
 The programs are executed successfully.