This tutorial shows you how to use the GNU text utilities collection to process log files, documentation, structured text databases, and other textual sources of data or content. The utilities in this collection have proven their usefulness over decades of refinement by UNIX/Linux developers, and should be your first go-to choice for general text processing tasks.
U.S. forces searching for al Qaeda leader Osama bin Laden along the mountainous border between Pakistan and Afghanistan will soon implement high-tech surveillance tactics in the region, enabling them to monitor the area 24 hours a day, seven days a week, CNN has learned.
It's believed that the constant surveillance of the border region and the "squeeze play" by U.S. and Pakistani forces surrounding the mountainous frontier will present the best chance ever to net the world's most-wanted terrorist.
According to Gartner, an outright ban of camera phones is short-sighted and will be hard to enforce.
By 2006, more than 80% of mobile phones shipped in the US and Western Europe will have cameras. As camera phones account for a larger portion of the overall mobile phone market, companies will need to implement security programmes that can be managed realistically.
"Most organisations simply do not have the staff or money to mount effective inspections," said Ken Dulaney, research vice-president at Gartner.
This is a tough question in any corporate environment that is addressed more often than not. What are the cost factors between the two offers? Which is the most convenient and addresses all the security levels that are required? What are the capabilities and how user-friendly is the technology? Can it integrate with current and future systems?
Wireless local area networks and Net-based phoning have been among the most talked-about emerging technologies for businesses over the past year, and now, vendors are introducing products they say will help companies combine the two.
"Wi-Fi and VoIP are powerful technologies on their own," said Richard Webb, directing analyst for wireless LANs at Infonetics Research. "But together, they are far more powerful. It's sort of like adding one plus one and getting three."
How do you get giant amounts of data from a spacecraft sitting on the surface of Mars? For NASA's Spirit and Opportunity rovers, the indirect way is the best way -- using relay satellites that orbit Mars.
A TV set that becomes a mirror at the flick of a switch will go on sale in the UK in March. The £2500 MiraVision system from Philips of the Netherlands is made up of a 58-centimetre wide-screen LCD that is covered with a thin semi-reflective sheet, mounted in a picture frame.
When the screen is switched on, anyone standing in front of it sees only the picture. With the television switched off, the surface behaves like an ordinary mirror.
Now that a new wave of "3G" cell phones equipped for streaming video and multimedia content is finally arriving in Europe, the industry is focusing on the next big unknown: what services users will pay for, and how.
The mobile phone services on display this week at the 3GSM World Congress industry show in this French Riviera town has ranged from video games to tennis to the hit reality TV show, "Big Brother."
Trumpeting services like wireless video calls or satellite navigation, mobile phone companies showcased their latest wares on Monday amid hopes the long-awaited shift to "3G" advanced technologies has finally begun.
A whiff of economic recovery was in the air as tens of thousands of industry professionals flocked to a beach-front conference center in this French Riviera town for the opening of the 3GSM World Congress. Organizers of the four-day show said they had received 35,000 visitor registrations -- almost one-third more than last year.
Nowadays, mobile handsets are indispensable parts of everyday life. And that becomes increasingly true as the digital gadgets start to protect their owners in times of trouble.
Starting this month, LG Telecom, the domestic wireless operator, launched a novel security service, named ``Aladdin,'' for the first time in the country.
Under the new offering, an Aladdin-enabled handset takes a picture of the dangerous situation in which the owner is in and sends the picture to three preset persons along with location information by the push of a button.
