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AIX

UNIX Command To Rename A File

How do I rename a file in UNIX using command line options?
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Search Text File In UNIX

How do I search the input text files for lines matching given words or strings under UNIX operating systems?
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UNIX mv Command Examples

How do I use mv command to rename or move file under UNIX operating systems?
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Tar Extract a Single File(s) From a Large Tarball

Q. I’ve couple of large tarballs such as www.tar and images.tar. Is it possible to extract a single file or a list of files from a large tarball such as images.tar instead of extracting the entire tarball? How do I extract specific files under Linux / UNIX operating systems?
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What is Big Iron UNIX Computer?

Question: Often I read about bigiron on mailing lists and the Internet forum. What is Big Iron and how it is related to UNIX system?
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PHP Send Email

Q. How do I send an email using PHP and Apache webserver under Linux / UNIX operating systems? How do I send email from a PHP Script?
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How To Limit The Growth Of UNIX / Linux Log Files

Q. My log files grow continuously. How do I limit the growth of UNIX log files stored in /usr/spool/ or /var/log/ directory?
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How To Find Files by Content Under UNIX

I had written lots of code in C for my school work and saved it as source code under /home/user/c/*.c and *.h. How do I find files by content such as string or words (function name such as main() under UNIX shell prompt?
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Shell: How To Remove Duplicate Text Lines

Q. I need to sort data from a log file but there are too many duplicate lines. How do I remove all duplicate lines from a text file under GNU/Linux?
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Explain: Five Nines ( 99.999% ) Computer / Network Uptime Concept

Q. Some service provider guarantees 99.999% uptime for their service. Can you explain meaning of five nines?
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