Terminals

5: Terminals

Reading from and Writing to the Terminal
Talking to the Terminal
The Terminal Driver and the General Terminal Interface 

• Overview
• Hardware Model

The termios Structure 

• Input Modes 
• Output Modes 
• Control Modes 
• Local Modes

Special Control Characters 

• Terminal Speed 
• Additional Functions 

Terminal Output 

• Terminal Type 
• Identify Your Terminal Type 
• Using terminfo Capabilities 

Detecting Keystrokes 

• Virtual Consoles 
• Pseudo-Terminals

The Linux Environment

4: The Linux Environment 

Program Arguments 

• getopt 
• getopt_long 

Environment Variables 

• Use of Environment Variables 
• The environ Variable 

Time and Date 
Temporary Files 
User Information 
Host Information 
Logging 
Resources and Limits

Working with Files

3: Working with Files

Linux File Structure 

• Directories
• Files and Devices

System Calls and Device Drivers
Library Functions
Low-Level File Access

• write
• read
• open
• Initial Permissions
• Other System Calls for Managing Files
• The Standard I/O Library
• fopen
• fread
• fwrite
• fclose
• fflush
• fseek
• fgetc, getc, and getchar
• fputc, putc, and putchar
• fgets and gets

Formatted Input and Output

• printf, fprintf, and sprintf
• scanf, fscanf, and sscanf
• Other Stream Functions
• Stream Errors
• Streams and File Descriptors

File and Directory Maintenance

• chmod
• chown
• unlink, link, and symlink
• mkdir and rmdir
• chdir and getcwd 

Scanning Directories

• opendir
• readdir
• telldir
• seekdir
• closedir

Errors

• strerror
• perror

The /proc File System
Advanced Topics: fcntl and mmap

• fcntl
• mmap

Shell Programming

 2: Shell Programming

Why Program with a Shell?
A Bit of Philosophy
What Is a Shell?
Pipes and Redirection

• Redirecting Output
• Redirecting Input
• Pipes

The Shell as a Programming Language

• Interactive Programs
• Creating a Script
• Making a Script Executable

Shell Syntax

• Variables
• Conditions
• Control Structures
• Functions
• Commands
• Command Execution

Getting Started

 1: Getting Started

An Introduction to UNIX, Linux, and GNU

• What Is UNIX?
• What Is Linux?
• The GNU Project and the Free Software Foundation
• Linux Distributions

Programming Linux

• Linux Programs
• Text Editors
• The C Compiler
• Development System Roadmap

Introduction

Introduction

The Complete Beginning of Linux Programming Language Tutorial

Introduction 

 1: Getting Started                                                
 2: Shell Programming                                         
 3: Working with Files                                          
 4: The Linux Environment                                
 5: Terminals                                                    
 6: Managing Text-Based Screens with curses

 7: Data Management                                       
 8: MySQL                                                          
 9: Develop ment Tools                                    
10: Debugging                                                       
11: Processes and Signals                                  
12: POSIX Threads
13: Inter-Process Communication: Pipes
14: Semaphores, Shared Memory, and Message Queues 
15: Sockets
16: Programming GNOME Using GTK+
17: Programming KDE Using Qt
18: Standards for Linux.