unix operating system

Find: UNIX Operating System Release and Version Number

by nixCraft on January 15, 2010 · 1 comment

How do I find Unix version and release number using command line options? What version, release, and maintenance level of Unix is running on my system?

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Solaris Buffer Overflow Protection

by nixCraft on March 16, 2009 · 2 comments

One of the most common ways for hackers to break into a Solaris system is to exploit buffer overflows. How do I turn on buffer overflow protection under Solaris UNIX operating system just like CentOS/Redhat Linux system?

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HP-UX: Boot Into Single User Mode

by nixCraft on November 21, 2008 · 2 comments

Question: I know how to boot into single user mode under Linux and FreeBSD. But, how do I boot into single user mode under HP-UX (HP9000) UNIX operating system?

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UNIX Shell: Find Out Real Path Of File or Directory

by nixCraft on October 3, 2008 · 9 comments

My programs and scripts needs a real path and not a a symbolic link. How to I determine a real path of any directory under Linux / UNIX like operating systems? How do I remove references to /./, /../ and extra ‘/’ character in path?

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