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May 22, 2025 · Single 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 …
What are the special dollar sign shell variables? - Stack Overflow
Sep 14, 2012 · In 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 …
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This 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 …
linux - What does $@ mean in a shell script? - Stack Overflow
Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@
Select unique or distinct values from a list in UNIX shell script
Mar 6, 2009 · I have a ksh script that returns a long list of values, newline separated, and I want to see only the unique/distinct values. It is possible to do this? For example, say my output is file suffixes...
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Making Standards Work® For more information see The Open Group UNIX portal. Single UNIX Specification, Version 4, 2016 Edition
How can I send an email through the UNIX mailx command?
Feb 17, 2010 · From the man page: Sending mail To send a message to one or more people, mailx can be invoked with arguments which are the names of people to whom the mail will be sent. The user is …
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UNIX® certification provides a vendor-neutral, highly regarded, and global benchmark for identifying open operating systems. Only systems that are fully compliant and certified according to the Single …
Rename multiple files based on pattern in Unix - Stack Overflow
There are multiple files in a directory that begin with prefix fgh, for example: fghfilea fghfileb fghfilec I want to rename all of them to begin with prefix jkl. Is there a single command to do t...
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