/syllabus

Unit I

Introduction to Operating Systems

General Overview: History of Unix, System Structure, User perspective,

Operating system Services, Assumptions about Hardware

Unit II

Introduction to the Kernel

Architecture of Unix operating system, Introduction to the system concepts,

Kernel data structure, System Administration

Unit III

Introduction to the File System

Pathnames, File system Mounting and unmounting, The organization of the

File Tree, File Types, File Attributes, Access Control lists

Unit IV

Booting and Shut Down, Scripting and Shell Bootstrapping,

Booting PCs, GRUB, Booting with single user mode, Rebooting and Shutting down.

Shell Basics, bash scripting, Regular Expression, Perl Programming, Python

scripting, Scripting Best Practices, Working with Startup Scripts.

Unit V

Access Control, Rootly Powers and Controlling Processes

Traditional UNIX access control, Modern Access Control, Real-world Access

Control, Pseudo-users other than root.

Components of a process, the lifecycle of a process, Signals, Kill, Process states, nice and renice, ps, Dynamic monitoring with top, prstat and topas, the /proc file system, strace, truss and tusc, runaway processes.

Unit VI

Adding New Users and Storage

The /etc/passwd file, The /etc/shadow and /etc/security/passwd files, /etc/group

file, Adding users, Adding users with useradd

Storage: Adding a hard Disk, Storage Hardware, Storage hardware Interfaces,

Software aspects of storage, Formatting, Disk Partitioning, RAID, LVM, Linux

File System: The ext family, file system terminology, file system polymorhism,

mkfs, fsck, file system mounting, setup for automatic mounting, USB drive

mounting, Enabling swapping.