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- The UNIX® Standard | www. opengroup. org
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 set, and its core volumes are simultaneously the IEEE Portable Operating System Interface (POSIX) standard and the ISO IEC 9945 standard
- unix - what does $? mean in a shell script? - Stack Overflow
I came across a shell script that contains a statement like, if [ $val -eq $? ] What does $? mean here?
- What does the line #! bin sh mean in a UNIX shell script?
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 number", which can be used to decide the format of the program and how to execute it
- unix - What is the meaning of POSIX? - Stack Overflow
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 standard environment to operate in
- Newest unix Questions - Stack Overflow
Check if directory exists on a unix server, if not create and move files to, using C# [closed] If had a look but can't find much nformation on how to check if a directory exists on a unix server, if it doesn't then create and copy files to using c# The application will be run on a Windows c# unix user20408154 35 asked Jan 13 at 18:09
- 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 358k 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 is called "Unix timestamp" or "Unix time" or "POSIX time" or just "timestamp" and sometimes (confusingly) "Unix epoch"
- unix - Why is 1 1 1970 the epoch time? - Stack Overflow
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
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