The UNIX® Standard | www.opengroup.org
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 …
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 …
What does the line "#!/bin/sh" mean in a UNIX shell script?
Sep 10, 2011 · When you try to execute a program in unix (one with the executable bit set), the operating system will look at the first few bytes of the file. These form the so-called "magic …
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About Us The Open Group is a global consortium that enables the achievement of business objectives through technology standards and open source initiatives by fostering a culture of …
Converting unix time into date-time via excel - Stack Overflow
Explanation 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 …
unix - How to move a running process to background - Stack …
I have a terminal connected to an external machine through ssh and have a process running in it. Is it possible move the execution to the background, so that I can close the ssh connection …
unix - How can I pretty print XML content from the command line ...
Learn how to pretty print XML content from the command line using various tools and techniques.
Difference between CR LF, LF and CR line break types
Oct 12, 2009 · I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
bash - What does " 2>&1 " mean? - Stack Overflow
To combine stderr and stdout into the stdout stream, we append this to a command: 2>&1 For example, the following command shows the first few errors from compiling main.cpp: g++ …
How to get the unix timestamp in C# - Stack Overflow
Jan 1, 2001 · I have had look around stackoverflow, and even looked at some of the suggested questions and none seem to answer, how do you get a unix timestamp in C#?