General Overview: UNIX Internals
Course Branch Year Semester
: B.E., : Computer Science and Engineering : IV CSE : VII
CS2028 UNIX INTERNALS
UNIT I II III IV V
TOPIC GENERAL OVERVIEW OF THE SYSTEM BUFFER CACHE SYSTEM CALLS FOR FILE SYSTEM THE STRUCTURE OF PROCESSES PROCESS SCHEDULING AND MEMORY MANAGEMENT POLICIES
Prepared by S.Subashini, Assistant Professor Department of Computer Science and Engineering
CS2028 – UNIX INTERNALS UNIT I GENERAL OVERVIEW OF THE SYSTEM
LTPC 300 3
9 History − System structure − User perspective − Operating system services − Assumptions about hardware − Introduction to the kernel − Architecture of the UNIX operating system − Introduction to system concepts − Kernel data structures – System administration − Summary and preview. UNIT II BUFFER CACHE 9 Buffer headers − Structure of the buffer pool − Advantages and disadvantages of the buffer cache − Internal representation of files − Inodes − Structure of a regular file − Directories − Conversion of a path name to an inode − Super block − Other file types. UNIT III SYSTEM CALLS FOR FILE SYSTEM 9 Open − Read − Write − File and record locking − Adjusting the position of file I/O − LSEEK − Close − File creation − Creation of special files − Pipes − Dup – Mounting and unmounting file systems. UNIT IV THE STRUCTURE OF PROCESSES 9 Process states and transitions − Layout of system memory − The context of a process − Saving the context of a process − Process control − Process creation − Signals − Process termination − Awaiting process termination − Invoking other programs – The shell − System boot and the INIT process. UNIT V PROCESS SCHEDULING AND MEMORY MANAGEMENT POLICIES 9 Process scheduling − Memory management policies − Swapping − A hybrid system with swapping and demand paging − The I/O subsystem − Driver interfaces – Disk drivers − Terminal drivers. Total: 45 TEXT BOOK 1. Maurice J. Bach, “The Design of the Unix Operating System”, PHI, 2004. REFERENCE 1. Vahalia, “Unix Internals: The New
: B.E., : Computer Science and Engineering : IV CSE : VII
CS2028 UNIX INTERNALS
UNIT I II III IV V
TOPIC GENERAL OVERVIEW OF THE SYSTEM BUFFER CACHE SYSTEM CALLS FOR FILE SYSTEM THE STRUCTURE OF PROCESSES PROCESS SCHEDULING AND MEMORY MANAGEMENT POLICIES
Prepared by S.Subashini, Assistant Professor Department of Computer Science and Engineering
CS2028 – UNIX INTERNALS UNIT I GENERAL OVERVIEW OF THE SYSTEM
LTPC 300 3
9 History − System structure − User perspective − Operating system services − Assumptions about hardware − Introduction to the kernel − Architecture of the UNIX operating system − Introduction to system concepts − Kernel data structures – System administration − Summary and preview. UNIT II BUFFER CACHE 9 Buffer headers − Structure of the buffer pool − Advantages and disadvantages of the buffer cache − Internal representation of files − Inodes − Structure of a regular file − Directories − Conversion of a path name to an inode − Super block − Other file types. UNIT III SYSTEM CALLS FOR FILE SYSTEM 9 Open − Read − Write − File and record locking − Adjusting the position of file I/O − LSEEK − Close − File creation − Creation of special files − Pipes − Dup – Mounting and unmounting file systems. UNIT IV THE STRUCTURE OF PROCESSES 9 Process states and transitions − Layout of system memory − The context of a process − Saving the context of a process − Process control − Process creation − Signals − Process termination − Awaiting process termination − Invoking other programs – The shell − System boot and the INIT process. UNIT V PROCESS SCHEDULING AND MEMORY MANAGEMENT POLICIES 9 Process scheduling − Memory management policies − Swapping − A hybrid system with swapping and demand paging − The I/O subsystem − Driver interfaces – Disk drivers − Terminal drivers. Total: 45 TEXT BOOK 1. Maurice J. Bach, “The Design of the Unix Operating System”, PHI, 2004. REFERENCE 1. Vahalia, “Unix Internals: The New