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 …
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 …
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.
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 can I convert a Unix timestamp to DateTime and vice versa?
Oct 30, 2008 · A Unix tick is 1 second (if I remember well), and a .NET tick is 100 nanoseconds. If you've been encountering problems with nanoseconds, you might want to try using AddTick …
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 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#?
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
Adding n seconds to 1970-01-01 will give you a UTC date because n – the Unix timestamp – is the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, …
How can I run a shell script on a Unix console or Mac terminal?
Nov 27, 2025 · How can I run a shell script on a Unix console or Mac terminal? I know it, forget it and relearn it again. It is time to write it down.
unix - How can I pretty-print JSON in a shell script? - Stack Overflow
Dec 9, 2008 · json unix command-line format pretty-print edited Oct 6, 2021 at 8:31 community wiki 17 revs, 13 users 24% AnC