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#4: System Calls in OS
Last updated on Jan. 23, 2021, 7:01 p.m. by None
What is a System Call? - Explained in detail
ØWhat is a System Call?
- In simple words, it is a method of transiting from user mode to kernel mode.
- System calls provide services of OS to the users through API’s.
Types of System Calls-:
1)File management-:Open(),Read(),Write(),close()
2)Device Related-Read,Write,ioctl,fcntl
3)Process Control-fork,wait,signal,abort,getpid,getppid
4)Information Maintenance-:getSystemTime and data,get or set time and date
5)Communication-pipe,create/delete connections,shmget
You can refer to this YouTube video for Video Explanations
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