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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.
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28 Jul 2009 |
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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.
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22 Apr 2008 |
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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.
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12 May 2009 |
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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.
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07 Mar 2006 |
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Speaking UNIX, Part 13: Ten more command-line concoctions
This month, discover ten more secrets of the UNIX command-line wizards.
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25 Sep 2007 |
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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.
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21 Aug 2007 |
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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.
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10 Jun 2008 |
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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.
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21 Jun 2007 |
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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.
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29 May 2007 |
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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.
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03 Apr 2007 |
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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.
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06 Feb 2007 |
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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.
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03 Jan 2007 |
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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.
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28 Nov 2006 |
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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.
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17 Oct 2006 |
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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.
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05 Sep 2006 |
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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.
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22 Sep 2009 |
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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.
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08 Aug 2006 |
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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.
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17 Apr 2007 |
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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.
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10 Feb 2009 |
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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.
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13 May 2008 |
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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.
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17 Mar 2009 |
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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.
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16 Dec 2008 |
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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.
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25 Nov 2008 |
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Speaking UNIX: !$#@*%
Learn how to use pipelines, redirections, operators, and more in UNIX.
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30 Sep 2008 |
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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.
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09 Sep 2008 |
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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.
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19 Aug 2008 |
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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.
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03 Nov 2009 |
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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.
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01 Jul 2008 |
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