fixunix
Tags Register FAQ Members List Social Groups Calendar Search Today's Posts Mark Forums Read

What is the difference between fork and exec command in Unix? - Questions

This is a discussion on What is the difference between fork and exec command in Unix? - Questions ; What is the difference between fork and exec command in Unix? Regards Brownaryan www.unixhelpline.blogspot.com...


Fix Unix > Linux > Help > Questions > What is the difference between fork and exec command in Unix?


Reply
 
LinkBack Tools
  #1  
Old 06-29-2008, 08:33 PM
Junior Member
  
Join Date: Jun 2008
Posts: 2
Default What is the difference between fork and exec command in Unix?
What is the difference between fork and exec command in Unix?

Regards

Brownaryan
www.unixhelpline.blogspot.com
Reply With Quote
  #2  
Old 10-21-2008, 12:21 AM
Junior Member
  
Join Date: Oct 2008
Posts: 1
Default Re: What is the difference between fork and exec command in Unix?
hi,
Simply put, fork duplicates your shell (file descriptors, etc) in a subshell. Usually a forked process will then exec in that subshell.
exec exec's the command in your current shell, basically co-opting it.
In pure versions of exec, if you do, just at the shell prompt.
Reply With Quote
Reply

« Previous Thread | Next Thread »
Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Difference between fork and exec? brownaryan Unix 0 06-13-2008 09:59 AM
Fork Exec Pipe: HOW??? unix Unix 19 12-01-2007 01:33 PM
is there any diff of wait/fork in Hp Unix and linux unix Unix 2 10-04-2007 12:09 AM
difference between a spawn and a fork unix Unix 11 10-04-2007 12:08 AM
pipe,fork,exec unix Redhat 0 09-30-2007 08:40 PM


All times are GMT. The time now is 08:33 AM.