Bloomberg LP Interview Question for Financial Software Developers






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fork creates a new process, which is a copy of the process which called fork. exec replaces the current process with the executable given as parameter. For fork/exec combination is the only way to start a different executable.

IPC = inter-process communication, the OS provides pipes, shared memory, even sockets.

- LTorvalds January 09, 2009 | Flag Reply
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when is fork called then it is create a new process and exec is replaced from one process to another but another process has same PID.
and IPC is a mechanism which used to synchronization and communication between related and unrelated process(Shared memory,message queue,)

- Harikesh Saini August 25, 2009 | Flag
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Creating a child thread from the parent thread.

- Anonymous January 09, 2009 | Flag Reply
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IPC - Shared memory, Memory mapped IO, pipes, FIFO, sockets (use client pair if both process are running in a same unix machine)

exec - Replaces current process image using a new process image.

- Someone March 17, 2010 | Flag Reply
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IPC means inter-process communication, which includes pipe, shared memory, shared files, sockets, signal.

- orangetime23 May 26, 2013 | Flag Reply


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