Linux Course Details

14. FILE SYSTEMS

⇒ Device Special Files (Devices)

⇒ Disks and Partitions

⇒ File Systems

⇒ I-nodes

⇒ The Virtual File System (VFS)

⇒ Journaling File Systems

⇒ Single Directory Hierarchy and Mount Points

⇒ Mounting and Unmounting File Systems

⇒ Advanced Mount Features

⇒ A Virtual Memory File System

⇒ Obtaining Information About a File System

15. FILE ATTRIBUTES

⇒ Retrieving File Information

⇒ File Timestamps

⇒ File Ownership

⇒ File Permissions

⇒ I-node Flags

16. DIRECTORIES AND LINKS

⇒ Directories and (Hard) Links

⇒ Symbolic (Soft) Links

⇒ Creating and Removing (Hard) Links

⇒ Changing the Name of a File

⇒ Working with Symbolic Links

⇒ Creating and Removing Directories

⇒ Removing a File or Directory

⇒ Reading Directories

⇒ File Tree Walking

⇒ The Current Working Directory of a Process

⇒ Operating Relative to a Directory File Descriptor

⇒ Changing the Root Directory of a Process

⇒ Resolving a Pathname

⇒ Parsing Pathname Strings

17. SIGNALS: FUNDAMENTAL CONCEPTS

⇒ Concepts

⇒ Signal Types and Default Actions

⇒ Changing Signal Dispositions

⇒ Introduction to Signal Handlers

⇒ Sending Signals

⇒ Checking for the Existence of a Process

⇒ Other Ways of Sending Signals

⇒ Displaying Signal Descriptions

⇒ Signal Sets

⇒ The Signal Mask (Blocking Signal Delivery)

⇒ Pending Signals

⇒ Signals Are Not Queued

⇒ Changing Signal Dispositions

⇒ Waiting for a Signal

18. PROCESS CREATION

⇒ Fork(), exit(), wait(), and execve()

⇒ Creating a New Process

⇒ The vfork() System Call

⇒ Race Conditions After fork()

⇒ Avoiding Race Conditions by Synchronizing with Signals

19. PROCESS TERMINATION

⇒ Terminating a Process

⇒ Details of Process Termination

⇒ Exit Handlers

⇒ Interactions Between fork(), stdio Buffers, and _exit()

20. PROGRAM EXECUTION

⇒ Executing a New Program

⇒ The exec() Library Functions

⇒ Interpreter Scripts

⇒ File Descriptors and exec()

⇒ Signals and exec()

⇒ Executing a Shell Command

⇒ Implementing

21. PROCESS GROUPS, SESSIONS, AND JOB CONTROL

⇒ Gropus & Sessions

⇒ Process Groups

⇒ Sessions

⇒ Controlling Terminals and Controlling Processes

⇒ Foreground and Background Process Groups

⇒ The SIGHUP Signal

⇒ Job Control

22. DAEMONS

⇒ Daemons

⇒ Creating a Daemon

⇒ Guidelines for Writing Daemons

⇒ Using SIGHUP to Reinitialize a Daemon

⇒ Logging Messages and Errors Using syslog

23. LOGIN ACCOUNTING

⇒ The utmp and wtmp Files

⇒ The utmpx API

⇒ The utmpx Structure

⇒ Retrieving Information from the utmp and wtmp Files

⇒ Retrieving the Login Name

⇒ Updating the utmp and wtmp Files for a Login Session

⇒ The lastlog File

24. FUNDAMENTALS OF SHARED LIBRARIES

⇒ Object Libraries

⇒ Static Libraries

⇒ Overview of Shared Libraries

⇒ Creating and Using Shared Libraries—A First Pass

⇒ Useful Tools for Working with Shared Libraries

⇒ Shared Library Versions and Naming Conventions

⇒ Installing Shared Libraries

⇒ Compatible Versus Incompatible Libraries

⇒ Upgrading Shared Libraries

⇒ Specifying Library Search Directories in an Object File

⇒ Finding Shared Libraries at Run Time

⇒ Run-Time Symbol Resolution

⇒ Using a Static Library Instead of a Shared Library

25. PIPES AND FIFOS

⇒ Pipelining

⇒ Creating and Using Pipes

⇒ Pipes As a Method of Process Synchronization

⇒ Using Pipes to Connect Filters

⇒ Talking to a Shell Command via a Pipe

⇒ Pipes and stdio Buffering

⇒ FIFOs

⇒ A Client-Server Application Using FIFOs

⇒ Nonblocking I/O

⇒ Semantics of read() and write() on Pipes and FIFOs

26. MEMORY MAPPINGS

⇒ Mapping

⇒ Creating a Mapping

⇒ Unmapping a Mapped Region

⇒ File Mappings

⇒ Synchronizing a Mapped Region

⇒ Additional mmap() Flags

⇒ Anonymous Mappings

⇒ Remapping a Mapped Region

⇒ The MAP_NORESERVE Flag and Swap Space Overcommitting

⇒ The MAP_FIXED Flag

⇒ Nonlinear Mappings

27. VIRTUAL MEMORY OPERATIONS

⇒ Changing Memory Protection

⇒ Memory Locking

⇒ Determining Memory Residence

⇒ Advising Future Memory Usage Patterns

28. FILE LOCKING

⇒ Locking

⇒ File Locking with flock()

⇒ Record Locking with fcntl()

⇒ Mandatory Locking

⇒ The /proc/locks File

⇒ Running Just One Instance of a Program

⇒ Older Locking Techniques

29. SOCKETS: INTRODUCTION

⇒ Socket

⇒ Creating a Socket

⇒ Binding a Socket to an Address

⇒ Generic Socket Address Structures

⇒ Stream Sockets

⇒ Datagram Sockets

30. TERMINALS

⇒ Terminal attributes

⇒ Retrieving and Modifying Terminal Attributes

⇒ The stty Command

⇒ Terminal Special Characters

⇒ Terminal Flags

⇒ Terminal I/O Modes

⇒ Terminal Line Speed (Bit Rate)

⇒ Terminal Line Control

⇒ Terminal Window Size

⇒ Terminal Identification

31. ALTERNATIVE I/O MODELS

⇒ I/O

⇒ I/O Multiplexing

⇒ Signal-Driven I/O

⇒ The epoll API

⇒ Waiting on Signals and File Descriptors

32. PSEUDO TERMINALS

⇒ Other Terminals

⇒ UNIX 98 Pseudoterminals

⇒ Opening a Pseudoterminal Master

⇒ Connecting Two Processes with a Pseudoterminal

⇒ Pseudoterminal I/O

⇒ Implementing

⇒ Terminal Attributes and Window Size