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 includes a rich feature …
unix - Why is 1/1/1970 the "epoch time"? - Stack Overflow
Jun 23, 2011 · The definition of unix time and the epoch date went through a couple of changes before stabilizing on what it is now. But it does not say why exactly 1/1/1970 was chosen in the end.
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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unix - What is the meaning of "POSIX"? - Stack Overflow
Nov 23, 2009 · Since every Unix does things a little differently -- Solaris, Mac OS X, IRIX, BSD, and Linux all have their quirks -- POSIX is especially useful to those in the industry as it defines a …
Display curl output in readable JSON format in Unix shell script
May 10, 2017 · Display curl output in readable JSON format in Unix shell script Asked 11 years, 1 month ago Modified 6 months ago Viewed 471k times
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 number of seconds …
How to convert DOS/Windows newline (CRLF) to Unix newline (LF)
Apr 10, 2010 · How can I programmatically (not using vi) convert DOS/Windows newlines to Unix newlines? The dos2unix and unix2dos commands are not available on certain systems. How can I …
How to check if $? is not equal to zero in unix shell scripting?
How to check if $? is not equal to zero in unix shell scripting? Asked 12 years, 10 months ago Modified 3 years, 10 months ago Viewed 357k times
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#?