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Shell Programming in Unix, Linux and OS X

*Shell Programming in Unix, Linux and OS X* is a thoroughly updated revision of Kochan and Wood’s classic *Unix Shell Programming* tutorial. Following the methodology of the original text, the book focuses on the POSIX standard shell, and teaches you how to develop programs in this useful programming environment, taking full advantage of the underlying power of Unix and Unix-like operating systems.
After a quick review of Unix utilities, the book’s authors take you step-by-step through the process of building shell scripts, debugging them, and understanding how they work within the shell’s environment. All major features of the shell are covered, and the large number of practical examples make it easy for you to build shell scripts for your particular applications. The book also describes the major features of the Korn and Bash shells.
 
Learn how to…
* Take advantage of the many utilities provided in the Unix system
* Write powerful shell scripts
* Use the shell’s built-in decision-making and looping constructs
* Use the shell’s powerful quoting mechanisms
* Make the most of the shell’s built-in history and command editing capabilities
* Use regular expressions with Unix commands
* Take advantage of the special features of the Korn and Bash shells
* Identify the major differences between versions of the shell language
* Customize the way your Unix system responds to you
* Set up your shell environment
* Make use of functions
* Debug scripts

**Contents at a Glance**
1  A Quick Review of the Basics
2  What Is the Shell?
3  Tools of the Trade
4  And Away We Go
5  Can I Quote You on That?
6  Passing Arguments
7  Decisions, Decisions
8  ‘Round and ‘Round She Goes
9  Reading and Printing Data
10 Your Environment
11 More on Parameters
12 Loose Ends
13 Rolo Revisited
14 Interactive and Nonstandard Shell Features
A Shell Summary
B For More Information

Sharing a Demon’s Bond

Just a little love bite: When the monster comes out of the dark…sometimes he eats you up in every way you love.
Peter has lived with vampires for almost two decades, ever since his own parents were killed in a house fire, and he considers himself pretty knowledgeable about paranormals. Stopping for a cup of coffee in a diner, Peter finds himself turned on by the steady stare of a big Italian. When he makes a pit-stop at the diner’s bathroom, he doesn’t expect a hook-up. That’s exactly what Peter gets…and he also learns he doesn’t know as much about paranormals as he thinks he does. His new lover, Balthazar, is a demon who is coming up on his one thousandth birthday. He kidnaps Peter, claiming him as his amina, his soul, a reward from the Gods for doing his job well for a thousand years. Except, Balthazar’s job is sucking out the souls of the living and delivering them to Death. If Peter can get past the stigma of being bonded with a soulless demon, can Balthazar keep him safe from whoever is sending minions hell-bent on keeping them apart—not to mention Peter’s meddling vampire friends—long enough for their bond to seal?

Shadows in Still Water

A galactic-wide medical company has sent its premier medical hospital ship to investigate an outbreak of box pox. While on the space station revolving around the planet Jidal IV, a suspected weapon is unleashed that causes multiple problems on the station and the planet below. Who is behind it? Everything seems normal in the medical company but there are shadows in still water.

Shadows and Anguish

Out of the embers wakes a fire. Out of the shadows comes an avenger.
After near death at the hands of her father’s enemies, Rada Ni Drako returns to her duties, her body healing and mind intact. Or is it? The new commanding officer of the 58th Regiment of Foot does not trust her and guards his own secrets. Her strongest allies now serve elsewhere. And new dangers threaten all that the Cat Among Dragons holds dear. From the coasts of Britain to the forests of Drakon IV and the depths of the Harz Mountains, Rada Ni Drako fights her shadows.
But the price of victory may be more than a Cat and a Dragon can bear.

Secrets of the Guardian

Master Daray is dead, and now Lena knows his secrets.  What she can’t figure out is why he lied, or how he managed to pull it off without anyone ever questioning him. She has been left with more questions than answers and even as the fabric of the Silenti government begins to unravel around her, she is determined to figure out who Jack Durand was, and what happened to Olesia Daray.With Griffin gone, and bloody power struggles all around, Lena has to find the answers, away from Waldgrave and on her own, before she has no home to return to.Keywords: teen fiction book ebook romance young adult fantasy story adventure series family paranormal coming of age sci fi scifi science fiction contemporary mystery urban ya relationship suspense novel high school friendship boys supernatural house teenage relative flirting ambition esp mind reader enigma prophet medium happy ending devotion clairvoyant telepath thought reader courtship

Scaling Networks V6 Companion Guide

*Scaling Networks v6 Companion Guide* is the official supplemental textbook for the Scaling Networks v6 course in the Cisco Networking Academy CCNA Routing and Switching curriculum.   The *Companion Guide* is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time.   The book’s features help you focus on important concepts to succeed in this course: ·         **Chapter objectives** –Review core concepts by answering the focus questions listed at the beginning of each chapter. ·         **Key terms** –Refer to the lists of networking vocabulary introduced and highlighted in context in each chapter. ·         **Glossary** –Consult the comprehensive Glossary with more than 250 terms. ·         **Summary of Activities and Labs** –Maximize your study time with this complete list of all associated practice exercises at the end of each chapter. ·         **Check Your Understanding** –Evaluate your readiness with the end-of-chapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer.   **How To** –Look for this icon to study the steps you need to learn to perform certain tasks. **Interactive Activities** –Reinforce your understanding of topics with dozens of exercises from the online course identified throughout the book with this icon. **Videos** –Watch the videos embedded within the online course. **Packet Tracer Activities** –Explore and visualize networking concepts using Packet Tracer exercises interspersed throughout the chapters and provided in the accompanying Labs & Study Guide book. **Hands-on Labs** –Work through all the course labs and additional Class Activities that are included in the course and published in the separate Labs & Study Guide.   **
### Sinossi
*Scaling Networks v6 Companion Guide* is the official supplemental textbook for the Scaling Networks v6 course in the Cisco Networking Academy CCNA Routing and Switching curriculum.   The *Companion Guide* is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time.   The book’s features help you focus on important concepts to succeed in this course: ·         **Chapter objectives** –Review core concepts by answering the focus questions listed at the beginning of each chapter. ·         **Key terms** –Refer to the lists of networking vocabulary introduced and highlighted in context in each chapter. ·         **Glossary** –Consult the comprehensive Glossary with more than 250 terms. ·         **Summary of Activities and Labs** –Maximize your study time with this complete list of all associated practice exercises at the end of each chapter. ·         **Check Your Understanding** –Evaluate your readiness with the end-of-chapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer.   **How To** –Look for this icon to study the steps you need to learn to perform certain tasks. **Interactive Activities** –Reinforce your understanding of topics with dozens of exercises from the online course identified throughout the book with this icon. **Videos** –Watch the videos embedded within the online course. **Packet Tracer Activities** –Explore and visualize networking concepts using Packet Tracer exercises interspersed throughout the chapters and provided in the accompanying Labs & Study Guide book. **Hands-on Labs** –Work through all the course labs and additional Class Activities that are included in the course and published in the separate Labs & Study Guide.  
### L’autore
Cisco Networking Academy is an innovative Cisco education initiative that delivers information and communication technology skills to improve career and economic opportunities around the world. The Academy provides online courses, interactive tools, and lab activities to prepare individuals for information technology and networking careers in virtually every industry.

Sailing Deep

**The mission was simple: infiltrate the enemy and gather intel. But what Dylan and Blake couldn’t have prepared for was that an easy cover story could turn into reality.**
Dylan is more than just an elite Navy SEAL with something to prove. He’s a dark-haired omega that will do whatever it takes to get the job done, even if it means pretending to the mate of a charming spy on a secret mission.
Flirty, and confident, Blake is a professional spy who takes nothing for granted. He’s also a self-assured Alpha who has been sent to gather as much information as he can about a new shifter group called the Shadow Pack. The assignment is simple – infiltrate the group, and return with information.
These two shifters were never supposed to meet, but when an accident during a full moon puts their lives at risk, these strangers realize that in order to survive, they’re going to have to depend on each other before their cover is blown, and their lives are put in jeopardy.
Sailing Deep is a hot gay love story that will make you want to report for duty. Filled with passion and desire and a few surprises along the way, this paranormal story features hard-bodied shifter romance, sizzling sex, and themes of male pregnancy; all hands on deck! Suitable for readers over the age of 18 only.

Run

In book two of Craig Martelle’s End Times Alaska series, the Nagy family will be tested like never before. After enduring the holocaust that destroyed Fairbanks, Chuck and his family did more than simply endure. They thrived. Together with other survivors, the Nagys are rebuilding their lives in the Alaskan wilderness, creating a better society. But the Russian military is closing in like a pack of wolves, and suddenly, in spite of all their progress, Chuck must make one of the hardest decisions of his life. Ultimately, Chuck leads the survivors through three hundred miles of Alaskan wilderness in a fight for freedom. The odds are stacked against them. Food is scarce and the weather is brutal, but Chuck unites the remaining survivors before they all—even his own children—are forced to pay the ultimate price.Fans of military fiction will love the power, suspense, and deep family commitment of the End Times: Alaska series. “This novel takes the reader on a journey of survival that is unique and compelling. It pulled me in and made me feel like I was right there with the main character, experiencing survival without the actual pain and frustration that comes with it. I thoroughly enjoyed this novel and I believe you will too.” – Amazon Five Star ReviewAttorney, consultant, successful author and twenty-year Marine Corps veteran Craig Martelle has written a frighteningly realistic story that a five-star Amazon review called “unique and compelling.”“The author masterfully portrays characters that are forced to do things they never would have imagined being capable of doing. A crisis can bring out the best and worst of humanity, and this novel shows us both.”In this thrilling sequel to the June 2016 release Endure, experience what the future may hold for us all—and how one Alaskan community endures hardship and suffering as they run to survive!

Rules for Revolutionaries

**Lessons from the groundbreaking grassroots campaign that helped launch a new political revolution**
*Rules for Revolutionaries* is a bold challenge to the political establishment and the “rules” that govern campaign strategy.
It tells the story of a breakthrough experiment conducted on the fringes of the Bernie Sanders presidential campaign: A technology-driven team empowered volunteers to build and manage the infrastructure to make seventy-five million calls, launch eight million text messages, and hold more than one-hundred thousand public meetings—in an effort to put Bernie Sanders’s insurgent campaign over the top.
Bond and Exley, digital iconoclasts who have been reshaping the way politics is practiced in America for two decades, have identified twenty-two rules of “Big Organizing” that can be used to drive social change movements of any kind. And they tell the inside story of one of the most amazing grassroots political campaigns ever run.
Fast-paced, provocative, and profound, *Rules for Revolutionaries* stands as a liberating challenge to the low expectations and small thinking that dominates too many advocacy, non-profit, and campaigning organizations—and points the way forward to a future where political revolution is truly possible.

Rod Wars

No one wants to lead a boring life.
Alex Mulholland on the other hand is an exception. Born sucking on a sliver spoon, throughout his life he’s attended nothing but private schools, spent his summers in other countries and received a motorcycle on his sixteenth birthday. With only one year to spare before he inherits his grandmother’s fortune on his eighteenth birthday he gets into an accident. Dropped into a different world he receives the hospitality of Kaiga one of the largest country’s in the region which is on brink of war with Victashia an opposing superpower.
Determined to return home and collect a lost inheritance Alex enrolls into Corpus Academy an institution dedicated to magus prodigies. There he encounters Melissa Bellheart; beautiful and blonde haired with an ego to match she is hailed as the goddess of Kaiga…in her mind alone. An eleven, the rarest of all magus Melissa is perceived as a government tool, thought of as a weapon and a threat by Victashia, her country’s enemy across the sea.
Her very existence keeps the Viate Order—Victashia’s elite soldiers—at bay but with Alex’s appearance the pendulum could swing, the scales could tip and the brittle peace between the two nations could all but fall away as their unspoken treaty goes up with the flames of war. And when a rod—an ancient weapon with extraordinary power slips into the academy, an interruption could prove inevitable.
About the Author
We are Davena and Jason Hoskins and are co-authors as well as siblings. While Jason is an enthusiast of motorcycles and master of rubiks cubes, his younger sister, Davena is a fan of anime, documentaries, movies, history and culture.
On Quora we have 800 followers, 1,600,000 views and have received the award of being a most viewed author in the following topics: Rubkik’s Cube, Smart People, Human Behavior, Genius and Geniuses, the Intelligence Quotient and the Psychology of Everyday Life. Additionally, 1,720,000 people were sent our answer on Quora Digest to the question: What is the difference between a person with average intelligence and a person with genius intelligence?
We’re currently serving in the United States Airforce. Rod Wars is our first novel.
Dedicated to our current and future works at the present ages of 21 and 18 our eyes are dead set on success.

Rising Covenant

Zoe Lake and Aric Winters thought they were living happily ever after. They were wrong.
Five years after surviving Covenant College’s final showdown, they find themselves at a crossroads. They’re living together. They’re happy. There is no future set in stone, though.
When Zoe’s former roommate Paris shows up out of the blue, Zoe couldn’t be happier. She needs a sounding board, and Paris was the best one she ever had. Things don’t go as planned, and when Zoe’s parents go missing, Paris’ ties to evil run deep.
Aric will always stand by Zoe, and he has a certain proposal in mind. He can’t ensure forever until they handle today – and to do that, Zoe, Aric and Paris have to embark on a rescue mission.
Zoe thought her days as a coveted mage were over. To save the day, though, she has to embrace the magic she’s been trying to suppress.
Everyone wants a piece of Zoe – including the only man she’s ever loved. A new fight is upon her, and if she wants to be declared the winner, Zoe has to acknowledge that she can’t forget the past if she wants to embrace the future.
Zoe knows things are going to come to a bloody end. She just doesn’t know whose blood will ultimately be spilled.

Rick Steves London 2020

**From the sacred stones of Westminster Abbey to the top of the London Eye, the city is yours to discover with Rick Steves! Inside *Rick Steves London 2020* you’ll find:**
* **Comprehensive coverage** for spending **a week or more** exploring London
* **Rick’s strategic advice** on how to get the most out of your time and money, with rankings of his must-see favorites
* **Top sights and hidden gems,** from Trafalgar Square and the Tower of London to where to find the best tikka masala or fish and chips
* **Connect with local culture:** Catch a show in Soho, take afternoon tea, or have a pint of English ale with Londoners in a pub
* **Beat the crowds, skip the lines, and avoid tourist traps** with Rick’s candid, humorous insight
* **The best places to eat, sleep, and relax** with a Pimm’s Cup
* **Self-guided walking tours** of lively neighborhoods and world-class museums like the British Museum and the Victoria & Albert
* **Day trips** to Windsor, Cambridge, and Stonehenge
* **Detailed neighborhood maps** and a **fold-out city map** for exploring on the go
* **Useful resources** including a packing list, popular British slang, a historical overview, and recommended reading
* **Over 600 bible-thin pages** include everything worth seeing without weighing you down

**Make the most of every day and every dollar with *Rick Steves London 2020*.**
Spending just a few days in the city? Try *Rick Steves Pocket London*.

Reverse Psychology: The Dirty Little Secrets That You Wish You Knew

“Reverse psychology: The Dirty little secrets you wish you knew”is a book that describes the technique involving the advocacy and means through which people tend to express their ideas and beliefs.
This book Reverse psychology describes the behavioral characteristics that we as human beings possess and we use them to our advantage in either communication, manipulation and persuasion so that people do that which we want them to or even in our daily signals that might be secretive to a group of people.
Reverse psychology is something we use often. This book describes the method in which we can employ such techniques in the right manner, the right location and to the right people and be able to pass the desired message without it being misinterpreted.
This book also talks about the different kinds of personality and how to appreciate people with their unique differences and likes because it is part of what we have to live with it in our daily lives. One fact is that we will always meet people. We have to accept each other the way we are with our different likes, responsibilities and challenges.
Take time and read this book. It will give you and insight on the importance in psychology.

Revenger

The galaxy has seen great empires rise and fall. Planets have shattered and been remade. Amongst the ruins of alien civilisations, building our own from the rubble, humanity still thrives.
And there are vast fortunes to be made, if you know where to find them . . .
Captain Rackamore and his crew do. It’s their business to find the tiny, enigmatic worlds which have been hidden away, booby-trapped, surrounded with layers of protection – and to crack them open for the ancient relics and barely-remembered technologies inside. But while they ply their risky trade with integrity, not everyone is so scrupulous.
Adrana and Fura Ness are the newest members of Rackamore’s crew, signed on to save their family from bankruptcy. Only Rackamore has enemies, and there might be more waiting for them in space than adventure and fortune: the fabled and feared Bosa Sennen in particular.
Revenger is a science fiction adventure story set in the rubble of our solar system in the dark, distant future – a tale of space pirates, buried treasure and phantom weapons, of unspeakable hazards and single-minded heroism . . . and of vengeance . . .

Return of Souls

If war is hell, there is no word to describe what Private Jones has been through. Forced into a conflict with an unknowable enemy, he awakes to find himself in a strange land, and is soon joined by young woman, Morana, who tends to his wounds and tells him of the battles played out in this impossible place.
She tells him of an Iron Beast that will end the Great War, and even as he vows to help her find it, enemy combatants seek them, intent on their utter annihilation.
*Return of Souls* is the second volume of the trilogy Andy Remic began with *A Song for No Man’s Land*.
At the Publisher’s request, this title is being sold without Digital Rights Management Software (DRM) applied.