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A process is an 'instance' of a program. A program by itself is a set of instructions usually stored in a file. You generally compile a program into an executable. Think of executable as the form of a program that machine can understand. Now, when you execute a program, it results in an instance and hence a process. In Windows, here are some examples: Write a batch program using windows commands and store in a .bat file. This type of program does not need any further compilation. Now running it will result in a process. Depending on what the batch file is doing this may be a long running process (and hence you will see it in the task manager) or a short one. Write a program in C language with a main in it (main is an entry point into a program with input and output). Compile it using a C compiler and the result is a .exe. Running this exe creates a process.
Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.Anobody who uses it is said to "execute" or "run" the program.
From the WinXp CD "winxpCD"\valueadd\msft\ntbackup\Ntbackup.msi
Program is a set of instruction whereas process is program in execution. Program is passive entity whereas process is active entity .Program has single instance whereas process has several instances.For eg.several notepad windows can be opened but same program is executed behind each window. Program is dependent on logic used whereas process is dependent on program.
Autorun.inf is a small file that dictates what program should be launched and what icon should be displayed in My Computer in Windows when a CD or DVD is inserted.
To put it in simple terms, we write our computer programs in a text file and when we execute this program, it becomes a process which performs all the tasks mentioned in the program. When a program is loaded into the memory and it becomes a process, it can be divided into four sections ─ stack, heap, text and data
Identify the Tasks; a list of all the tasks required to execute the program.
In Unix, with a C program you can run a quick function to do this. There is an example at:(link moved to link section)AnswerIn Solaris, you need to disconnect your program from your "terminal" ( scripts generally inherit the stdin, stdout, and stderr of your shell when you execute them ). For a shell program you can execute "nohup $program < /dev/null > /dev/null 2>&1 &". Or the shell program can redirect its own stdin, stdout, and stderr -- then you can execute "nohup $program &".
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Yes. One program can execute another program very easily -- you can even do it via scripting languages and batch programming. Morevoer, programs that provide shared code via one or more libraries make it possible for another program to execute code within those libraries, just as if that code were part of the program itself (no need to execute another program). Such programs often provide application programming interfaces (APIs) to simplify the process of integration.