exec

Name: fork and exec system calls in Linux
Uploaded: 2018-09-30T19:42:25+05:30
Channel: Karunesh Johri
Description: fork and exec system calls are used to create new processes to execute programs. fork and exec calls are explained with example programs.

fork and exec system calls in Linux

By Karunesh Johri • Updated: May 26, 2023

1.0 fork and exec system calls Suppose we wish to write a “shell program” which would execute another program. Now, in a computing system, a process executes a program. So this shell program (or, process, at run time) needs to create a process which would execute a program. Here, two system calls are of interest, …

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Tags: example, exec, fork, Linux, proces, program, system call

Program, Process and Threads

By Karunesh Johri • Updated: May 27, 2023

PROGRAM The definition of program is linked to the definition of algorithm. An algorithm is a sequence of finite steps which can be executed mechanically to solve a problem. The key points are that algorithms are self-contained; the steps given are sufficient to solve the problem at hand. No additional information is required. Also, the …

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Tags: exec, fork, process, program, pthreads, thread