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Speaking UNIX: Man oh man
UNIX has hundreds if not thousands of commands, and it's impossible to remember every option and nuance. But, happily, you don't have to: man, UNIX's built-in, online reference system, is man's best friend.
Also available in: Chinese  
Articles 28 Jul 2009
Speaking UNIX: Working with inetd and xinetd, the Internet "super server"
inetd is often referred to as a "super server." xinetd, a variant of inetd, serves the same purpose but is more secure and offers features to restrict and throttle access when a system's load rises. Learn how inetd and xinetd work and how to configure it to add new daemons.
Also available in: Chinese  
Articles 15 Dec 2009
Speaking UNIX: Introduction to emerging file systems
In UNIX, everything can be a file, but not every file is stored the same way. A file system dictates how a file is decomposed and organized on media. Historically, media meant tape or disk. But increasingly, file systems now translate virtually any source - remote server, archive file, even other file systems - into virtual media. Here's a look at some novel file systems.
Also available in: Chinese  
Articles 15 Feb 2011
Speaking UNIX, Part 3: Do everything right from the command line
Discover three essential UNIX(R) utilities that deliver the entire Internet to your command line.
Also available in: Chinese   Russian  
Articles 05 Sep 2006
Speaking UNIX: The Squirrel portable shell and scripting language
If you don't want to commit to the idiosyncrasies of a specific shell running on a particular platform, try the Squirrel Shell. The Squirrel Shell provides an advanced, object-oriented scripting language that works equally well on UNIX, Linux, Mac OS X, and Windows systems. Write a script once, and run it anywhere.
Also available in: Chinese   Russian   Japanese   Portuguese  
Articles 17 Mar 2009
Speaking UNIX: The best-kept secrets of UNIX power users
You don't have to break into a Watergate office to uncover the secrets of UNIX power users. There's an informant, and this month he's spilling the beans.
Also available in: Chinese   Russian  
Articles 25 May 2010
Speaking UNIX: Go fish!
The Friendly Interactive Shell, or fish, is a joy to use. Its syntax, context-sensitive help, and color-coded command-line interface (CLI) greatly simplify the use of UNIX and ease the burdens of scripting.
Also available in: Chinese   Russian  
Articles 25 Nov 2008
Speaking UNIX: Inside TCP/IP
The Internet has played a huge role in the advancement of technology, business, and everyday life for huge numbers of the world's people. Configuring a computer to communicate over a network and connecting to the Internet has become an essential task for administrators. This article shows how to configure a server running IBM AIX to connect to and use the Internet.
Also available in: Chinese  
Articles 22 Apr 2008
Speaking UNIX: More shell scripting techniques
Like other UNIX operating systems and Linux, the IBM AIX operating system has several powerful tools that arm systems administrators, developers, and users to tackle day-to-day tasks and to simplify their or their customers' business and life. One such tool in UNIX is the ability to write shell scripts to automate tasks, simplifying difficult or long and tedious jobs.
Also available in: Chinese  
Articles 09 Sep 2008
Speaking UNIX: Just a few clicks
The way you interface with a computer is changing constantly. Operating systems that once started as a command line-only interface have moved to a graphical front end. Sometimes, however, moving away from the building blocks that made the operating system isn't necessarily a step in the right direction. Thankfully, the IBM AIX operating system has kept to what's important: the stability, functionality, and robustness of a computer's operating system.
Also available in: Chinese  
Articles 01 Jul 2008
Speaking UNIX, Part 9: Regular expressions
Virtually all non-trivial problems require you to filter good data from bad. Discover the many UNIX(R) command line utilities that use regular expressions to discern the relevant from the irrelevant.
Also available in: Chinese   Russian  
Articles 17 Apr 2007
Speaking UNIX, Part 7: Command-line locution
UNIX(R) has a dialect all its own, and its vocabulary of commands is quite large. But you don't have to learn everything all at once. Here, discover more command-line combinations and expand your mastery of the UNIX language.
Also available in: Chinese   Russian  
Articles 06 Feb 2007
Speaking UNIX: Interprocess communication with shared memory
UNIX provides a number of technologies for interprocess communication, or cooperative computing between two or more applications. Shared memory is the fastest and most flexible of the techniques and is surprisingly easy to implement.
Also available in: Chinese  
Articles 28 Sep 2010
Speaking UNIX, Part 1: Command the power of the command line
Learn the basics of the UNIX shell and discover how you can use the command line to combine the finite set of UNIX utilities into innumerable data transforms.
Also available in: Russian  
Articles 07 Mar 2006
Speaking UNIX: Managing multitudes of machines the mild-mannered way
Cloud computing may currently be all the rage, but there is a silicon lining to each calculating cumulus: hardware and software require very real upkeep. Learn how to manage gobs of machines right from the command line.
Articles 14 Sep 2010
Speaking UNIX, Part 2: Working smarter, not harder
Learn how to leverage the many shortcuts that the UNIX(R) shell provides. With a little practice, you'll work smarter, not harder.
Also available in: Chinese   Russian  
Articles 08 Aug 2006
Speaking UNIX: Stayin' alive with Screen
The command line is a powerful tool, but it has a fatal weakness: If the shell perishes, so does your work. To keep your shell and your work alive -- even across multiple sessions and dropped connections -- use GNU Screen, a windowing system for your console.
Also available in: Chinese  
Articles 10 Feb 2009
Speaking UNIX: Opening Windows with Cygwin
Cygwin is a UNIX-like environment for the Microsoft Windows operating system. It includes a real UNIX shell, a Portable Operating System Interface (POSIX) emulation library, and thousands of UNIX utilities ported to Windows.
Also available in: Chinese  
Articles 16 Dec 2008
Speaking UNIX: !$#@*%
Learn how to use pipelines, redirections, operators, and more in UNIX.
Also available in: Chinese  
Articles 30 Sep 2008
Speaking UNIX: The new and improved Vim editor
If you've worked on IBM AIX, another flavor of UNIX, or Linux, you've more than likely used the vi editor. Since its conception in 1976, vi has become a staple for anyone wanting to edit files. How could someone make a more powerful editing tool than vi, you may ask? The answer is Vim, and this article provides details on the many enhancements that have made Vim a highly used and acceptable editor in the world of UNIX and Linux.
Also available in: Chinese   Russian  
Articles 19 Aug 2008
Speaking UNIX: 10 great tools for any UNIX system
The universe of UNIX tools changes constantly. Here are 10 tools -- some you may have overlooked and some new -- to tinker with.
Also available in: Chinese  
Articles 12 May 2009
Speaking UNIX: It is all about the inode
Have you ever wondered what Iused and %Iused mean in UNIX commands like df or what people are talking about when the say inode? UNIX and Linux systems both use inodes, and IBM AIX is no different. Discover what an inode is and why inodes are important to UNIX, the structure of an inode, and commands for working with inodes.
Also available in: Chinese  
Articles 10 Jun 2008
Speaking UNIX: Booting up
Ever wonder what makes a computer tick or how a UNIX server does what it does? For those who wonder what happens when you push the power button on your computer, here's your inside look. This article discusses the different boot types, managing the IBM AIX bootlist, and the AIX boot sequence. After reading this article, you should have a better understanding of what exactly is happening when your server starts.
Also available in: Chinese  
Articles 13 May 2008
Speaking UNIX: Peering into pipes
The pipe operator connects one UNIX command to another to create ad hoc programs right on the command line. But a pipe is something of a black box, occluding the data flowing from one utility to the next. Pipe Viewer provides a peek into the pipeline. Here's how to use it in day-to-day tasks.
Also available in: Chinese   Russian  
Articles 03 Nov 2009
Speaking UNIX, Part 13: Ten more command-line concoctions
This month, discover ten more secrets of the UNIX command-line wizards.
Also available in: Chinese  
Articles 25 Sep 2007
Speaking UNIX, Part 12: Do-it-yourself projects
If your UNIX(R) system lacks a tool you need, chances are you can find an apt solution in the enormous inventory of software available online. This month, learn how to build software from source code.
Also available in: Russian  
Articles 21 Aug 2007
Speaking UNIX, Part 11: Ramble around the UNIX file system
Many directories in the UNIX(R) file system serve a special purpose, and certain directories are named per long-standing convention. In this installment of the "Speaking UNIX" series, discover where UNIX stores important files.
Also available in: Chinese   Russian  
Articles 21 Jun 2007
Speaking UNIX, Part 10: Customize your shell
You can customize the UNIX(R) shell to save time, to save typing, and to adapt to your style of work. Shell startup files capture your preferences and recreate your shell environment session after session, even machine to machine.
Also available in: Chinese   Russian  
Articles 29 May 2007
Speaking UNIX, Part 8: UNIX processes
On UNIX(R) systems, each system and end-user task is contained within a process. The system creates new processes all the time, and processes die when a task finishes or something unexpected happens. Here, learn how to control processes and use a number of commands to peer into your system.
Also available in: Chinese   Russian  
Articles 03 Apr 2007
Speaking UNIX, Part 6: Automate, automate, automate!
Discover how shell scripts can mechanize virtually any personal or system task. Scripts can monitor, archive, update, report, upload, and download. Indeed, no job is too small or too great for a script. Here's an introduction.
Also available in: Chinese   Russian  
Articles 03 Jan 2007
Speaking UNIX, Part 5: Data, data everywhere
Take a look at several techniques that illustrate how to move files among systems and how to keep such far-flung data in sync.
Also available in: Russian  
Articles 28 Nov 2006
Speaking UNIX, Part 4: UNIX ownership and permissions provide for privacy and participation
Learn how to manipulate file permissions to protect your files, or share them with others.
Also available in: Chinese   Russian  
Articles 17 Oct 2006
Speaking UNIX: Extreme shell makeover
Break out the caffeine, elbow grease, and your text editor. It's time to turn your UNIX shell into a hot rod. It's time for an extreme shell makeover.
Also available in: Chinese   Spanish  
Articles 14 Jun 2011
Speaking UNIX: Advanced applications of rsync
Keeping multiple machines synced can be challenging. Fortunately, a powerful tool is available to make the task easier: rsync.
Also available in: Chinese   Russian  
Articles 22 Sep 2009
Speaking UNIX: Bazaar
Software development is characterized by refactorings, quandaries, bugs, epiphanies, and breakthroughs; managing change is essential. Bazaar is a powerful, next-generation source control system that adapts to the dynamics of any development team. This article is an introduction to Bazaar.
Also available in: Chinese  
Articles 17 Aug 2010
Speaking UNIX, Part 14: Manage Ruby and gems with RVM
Need to re-create another Ruby coder's development environment? Long to experiment with the latest version of JRuby? Want to isolate your work to a specific set of gems? You can do all that and more with the handy and clever Ruby Version Manager.
Also available in: Chinese   Portuguese  
Articles 23 Jul 2012
Speaking UNIX: Get to know Ksplice
Ksplice applies kernel patches on-the-fly - no reboot required - in a fraction of a second. Here's a hands-on guide to performing painless system updates.
Also available in: Chinese   Portuguese  
Articles 27 Jul 2010
Speaking UNIX: Creating great graphical applications with shell scripts
The command line isn't suitable for every user. Indeed, some users may only feel comfortable when armed with a mouse. To accommodate those users or build custom desktop applications using only the shell, add GUIs to your scripts. Here's how you can do it.
Also available in: Chinese  
Articles 25 Jan 2011
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