http://www.bing.com:80/search?q=Unix+Related+Operating+SystemSearch resultshttp://www.bing.com:80/s/a/rsslogo.gifhttp://www.bing.com:80/search?q=Unix+Related+Operating+SystemCopyright © 2026 Microsoft. All rights reserved. These XML results may not be used, reproduced or transmitted in any manner or for any purpose other than rendering Bing results within an RSS aggregator for your personal, non-commercial use. Any other use of these results requires express written permission from Microsoft Corporation. By accessing this web page or using these results in any manner whatsoever, you agree to be bound by the foregoing restrictions.https://www.opengroup.org/membership/forums/platform/unixSingle UNIX Specification- “The Standard” The Single UNIX Specification is the standard in which the core interfaces of a UNIX OS are measured. The UNIX standard includes a rich feature set, and its core volumes are simultaneously the IEEE Portable Operating System Interface (POSIX) standard and the ISO/IEC 9945 standard.Thu, 23 Apr 2026 11:26:00 GMThttps://stackoverflow.com/questions/12741710/what-does-mean-in-a-shell-scriptI came across a shell script that contains a statement like, if [ $val -eq $? ] What does $? mean here?Wed, 22 Apr 2026 15:45:00 GMThttps://stackoverflow.com/questions/5163144/what-are-the-special-dollar-sign-shell-variablesIn Bash, there appear to be several variables which hold special, consistently-meaning values. For instance, ./myprogram &; echo $! will return the PID of the process which backgrounded myprog...Fri, 24 Apr 2026 21:19:00 GMThttps://stackoverflow.com/questions/20449543/shell-equality-operators-eq= and == are for string comparisons -eq is for numeric comparisons -eq is in the same family as -lt, -le, -gt, -ge, and -ne == is specific to bash (not present in sh (Bourne shell), ...). Using POSIX = is preferred for compatibility. In bash the two are equivalent, and in sh = is the only one that will work.Fri, 24 Apr 2026 07:14:00 GMThttps://www.opengroup.org/POSIX® TOGAF® Tools UNIX® Systems Training Course Accreditation » Become an Accredited Training Course Provider Contact Us Events » Upcoming Events & Webinars » Toolkit Tuesday Broadcast Series The Open Group European Summit | April 27 - 30, 2026 The Open Group Event | July 27 - 29, 2026 The Open Group U.S. Summit | October 26 - 29, 2026 ...Thu, 23 Apr 2026 00:13:00 GMThttps://www.opengroup.org/unix-systemsThis is an opportunity for leading UNIX system suppliers suppliers to acquire state-of-the-art test tools to ensure the development of conformant UNIX® System products and to demonstrate their conformance through the UNIX certification program. The Open Group is well established as the premier open systems test supplier and certification ...Tue, 21 Apr 2026 18:45:00 GMThttps://stackoverflow.com/questions/46130132/converting-unix-time-into-date-time-via-excelExplanation Unix system represent a point in time as a number. Specifically the number of seconds* since a zero-time called the Unix epoch which is 1/1/1970 00:00 UTC/GMT. This number of seconds is called "Unix timestamp" or "Unix time" or "POSIX time" or just "timestamp" and sometimes (confusingly) "Unix epoch".Fri, 24 Apr 2026 07:21:00 GMThttps://stackoverflow.com/questions/1552749/difference-between-cr-lf-lf-and-cr-line-break-typesI'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.Fri, 24 Apr 2026 01:16:00 GMThttps://stackoverflow.com/questions/15471264/how-to-check-if-is-not-equal-to-zero-in-unix-shell-scriptingHow to check if $? is not equal to zero in unix shell scripting? Asked 13 years, 1 month ago Modified 4 years, 1 month ago Viewed 359k timesFri, 24 Apr 2026 02:28:00 GMThttps://stackoverflow.com/questions/16090869/how-can-i-pretty-print-xml-content-from-the-command-lineLearn how to pretty print XML content from the command line using various tools and techniques.Tue, 07 Apr 2026 18:26:00 GMT