Categories of System Call briefly explained.pptx

Categories of system call briefly explain

1. Categories of System Call

2. System calls System calls provide the interface between a process and the operating system. Categories of System calls: Process Control File management Device Management Information Maintenance Communication

3. File Management Create File, Delete File Open, Close This is one of the most heavily used system calls, since almost every application will open read and save a file.

4. File management C onti… Read, Write, reposition “Reposition” is a File System operation which is best know as File Seek. Its purpose is to allow positioning the file cursor onto a specific byte in order to start reading from that point ahead.

5. File Management Conti… Get/Set file Attributes File attributes are settings associated with computer files that grant or deny certain rights to how a user or the operating system can access that file. For example, IBM compatible computers running MS-DOS or Microsoft Windows have capabilities of having read, archive, system, and hidden  attributes.