Index
System Calls
Example of Standard C Library
Types of System Calls:
1)Process control
2)File management
3)Device management
4)Information maintenance
5)Communications
Quiz
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| System Calls |
- The standard C library provides a portion of the system call interface for many version of UNIX and Linux.
- As an example, let's assume a C program invokes printf() statement.
- The C library intercepts this call and invokes the necessary system call(s) in the OS.
- The C library takes the value returned by write() and passes it back to the user program
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