This book introduces the Unix command line interface to users. Unix originally supported only a command line interface. Though most Unix systems now support GUI interfaces, all are based on the original command line interface. Many people still find it easier to use the command line for operations. Instead of trying to figure out how to click through a GUI interface to do a certain task, you just have to type a few words. The focus of this book is on users, describing user tools and applications for the command line, not administration tasks. The text is organized to carefully introduce you to Unix without overwhelming you with a mass of commands and programs. In Part 1, you learn how to get started using the command line interface. In Parts 2 and 3, you learn essential features of Unix needed to perform everyday tasks such as file management and shell operations. Together, Parts 1, 2, and 3 form a core level of understanding that you need to have in order to successfully work with Unix. Parts 4, 5, and 6 consist of topics that you can select depending on your needs, such as data and edit filters, awk programming, email, Ftp access, and editors.

Introductory Command Line Unix for Users

Computers & Technology

Petersen,Richard

Operating Systems

Surfing Turtle Press

C differs from most programming languages in its use of expressions, pointers, and arrays. For those learning C, pointers are the greatest source of confusion. The primary aim of this text is to provide working models of how pointers are used in C as well as an introduction to their use in C++. Most beginners falter on the use of pointers. Many try to avoid pointers completely, but quickly find that pointers are used extensively throughout C programs. Some attain a partial understanding of pointers which, at first, gets them by. However, when faced with complex programming tasks, they find that pointers become a necessity. In most programming languages one learns about pointers only after most other topics have been discussed. Pointers are just one more added feature of the language. In C and in C++, however, pointers are used with every feature. There are pointers to variables, pointers as parameters, pointers as arrays, pointers to structures, and even pointers to pointers. With each feature pointers are used differently. The way pointers work with variables is very different from the way pointers work with arrays. In this text, you learn pointers as you learn each feature of the language. With variables, you learn pointers to variables; with parameters, pointers to parameters; with functions: pointers to functions; with arrays, pointers in arrays; with structures, pointers to structures. In addition, for C++ you will learn pointers to objects, to class members, and derived objects. Such an approach provides an understanding of the many different ways pointers are used throughout the language.The text is arranged in five sections. The first section focuses on the basic structure of the language. Variables, functions, and expressions are carefully examined. The second section deals with arrays. Arrays form an exception in C. Unlike structures they are not data objects. They are completely managed by pointers. The third section describes data structures and file management. The chapter on data structures introduces basic concepts such as linked lists and trees. A special examination is made of recursion and how it operates with lists, trees, and b-trees. The chapters on file management discuss the different types of files with special emphasis on record files b-tree indexes. The fourth section provides an introduction to C++, covering classes and objects, their use with pointers, as well as operator overloading and inheritance. The fifth section covers additional topics greater detail such as the pre-processor and bitwise operations.

Introductory C with C++

Programming

"Fedora 9 Linux Administration and Security" examines topics in system administration, security, and file and device management, including the Fedora system-config administration tools.

Fedora 9 Linux Administration and Security

Richard L Petersen

Certification

This book is designed as an Ubuntu server administration and reference, covering the Ubuntu servers and their support applications. Server tools are covered as well as the underlying configuration files and system implementations. The emphasis is on what administrators will need to know to perform key server support and management tasks. Topics covered include software management, Upstart service management and runlevels, AppArmor security, and the Network Time Protocol. Key servers are examined, including Web, FTP, CUPS printing, NFS, and Samba Windows shares. Network support servers and applications covered include the Squid proxy server, the Domain Name System (BIND) server, DHCP, and IPtables firewalls. The book is organized into five parts: getting started, services, shared resources, network support, and shells.

Ubuntu 8 Server Administration and Reference

Richard Petersen

Reference

This book is designed as a Fedora networking and server reference, covering the Fedora servers and their support applications.  Server tools are covered as well as the underlying configuration files and system implementations. The emphasis is on what administrators will need to know to perform key server support and management tasks.  Topics covered include network connections, IP network administration, software management, Upstart service management, runlevels, and the Network Time Protocol. Key servers are examined, including Web, FTP, CUPS printing, NFS, and Samba Windows shares. Network support servers and applications covered include the Squid proxy server, the Domain Name System (BIND) server, DHCP, and IPtables firewalls. There are four parts: networking, services, shared resources, and network support.

Fedora 9 Linux Networking and Servers

This book is designed to be a shell programmer's reference on Unix and Linux. It covers the commands, syntax, and operators for three major shells used in Unix and Linux; the Bourne Again shell (BASH), the TCSH shell, and the Z-shell. All are enhanced versions of their corresponding original Unix shells. The BASH shell is an advanced version of the Bourne shell, which includes most of the advanced features developed for the Unix Korn shell and C-shells. TCSH is an enhanced version of the C-shell that was originally developed for BSD versions of Unix. The Z-shell is an enhanced version of the Unix Korn shell. The Perl and GAWK shell scripting languages are also presented in detail, examining the use of variables, operators, and control structures to create complex shell programs. In addition the book covers supplementary features like the Make utility and man page formatting.

Linux and Unix Shell Pocket Programmer

Ubuntu 8 Linux Pocket Administrator

This book examines Fedora 10 for the user. Though administrative tools are covered, the emphasis is on what a user would need to know to perform tasks. The emphasis here is on what users face when using Fedora, covering topics like installation, applications, software management, the GNOME and KDE desktops, shell commands, and both the Fedora administration and network tools. Desktop effects as implemented by GNOME's Compiz-fusion and KDE's KWin are examined. New features are covered in detail like Network Manager with support for wireless 3G and Ethernet, Fedora Printing and PackageKit's new interface, recovery with FirstAidKit, and the RPM Fusion repository for free and nonfree third party packages like multimedia codecs. Also additional desktops and installs are reviewed including XFCE, LXDE, Sugar (OLPC), and Omega (multimedia).

Fedora 10 Linux Desktop

This book examines Fedora 10 topics in system administration, security, file systems, devices, networking, and servers, including the Fedora configuration utilities. System administration covers software installation and update with PackageKit, user management, start up and service management using Upstart, kernel configuration, virtualization, system logs, and shell configuration. Security includes PolicyKit authorization, encryption, SSH, SE Linux, firewalls. Device and file system management topics cover udev, the Hardware Abstraction Layer (HAL), LVM, RAID, and backups. Networking topics include network connections, IP network administration, service management, the Domain Name System, DHCP, and network servers. Servers examined include Web, FTP, Postfix, CUPS, NFS, and Samba.

Fedora 10 Linux Administration, Networking, and Security

The Ubuntu 9.04 desktop Handbook covers the latest Ubuntu 9.04 (Jaunty Jackalope) features of interest to users. The emphasis here is on what users will face when using Ubuntu, covering topics like installation, applications, software management, the GNOME and KDE4 desktops, shell commands, and both the Ubuntu 9.04 administration and network tools. Office, multimedia, mail, and Web applications are reviewed. Desktops are examined including features like the Brasero DVD/CD disc copy, check, and erase capability. The KDE4 desktop provides a completely new KDE desktop with a new panel, menu, desktop, configuration tools, ZUI, and plasmoid applets. Though administrative topics are covered, the emphasis is on what a user would need to know to perform tasks. Desktop effects as implemented by GNOME's Compiz-fusion and KDE's KWin with 3D workspace and windows switching are examined. Certain new tools are covered in detail like Network Manager which now supports both wireless 3G and Ethernet connections. Gufw provides a user interface for managing ufw firewall, the default firewall. Advanced components of Ubuntu 9.04 are also examined such as Dynamic Kernel Module Support (DKMS) now use for vendor graphics drivers, Private Encrypted Directories, and the creation of Ubuntu Live USB drives, as well as Ubuntu Live Netbook USB drives (Ubuntu Netbook Remix, UNR). Numerous smaller enhancements are also discussed like the Synaptic Package Manager quick searches and sample screenshots, the PulseAudio Device Chooser applet for accessing all Pulse Audio tools, GNOME's file manager support for tabs, and the combined user switcher and shut down applet. Alternate multimedia releases like Ubuntu Studio and Mythbuntu are also referenced.

Ubuntu 9.04 Desktop Handbook

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