How to know how long a process has been running? [closed] - bash

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I am interested in doing this purely using bash.

ps can fit your needs:
ps -eo pid,command,etime

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How does tabling improve efficiency? [closed]

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I am curious about how tabling works to improve efficiency of Prolog programs. How is it implemented? Both explanation and references are welcome.

How to print onto screen entire file? [closed]

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How to print onto screen (echo) entire file (all file contents) from given system path on Windows and on Linux?
Use cat in Unix and type in windows.

Data Transformation Tools [closed]

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HI
Are there any free comparison papers for ETL tools.
thanks
Ben
Kettle from Pentaho is an open source ETL tool that you can look into. Here are some comarision links
http://www.jonathanlevin.co.uk/2008/03/open-source-etl-tools-vs-commerical-etl.html
Commercial: http://www.etltool.com/
comparision from pentaho itself: http://www.pentaho.com/docs/informatica_pentaho_etl_tools_comparison.pdf

What do you usually do when waiting for code to compile [closed]

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I've got this piece of code that took about 1 to 2 minutes to compile. What do you usually do in your free time while you are compiling code?

how many sites powered by codeigniter? [closed]

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help me please!!!
At least 242.. :P

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