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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
- 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
- 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, 9 months ago Modified 3 years, 9 months ago Viewed 357k times
- 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
- shell - Listing only directories in UNIX - Stack Overflow
I want to list only the directories in specified path (ls doesn't have such option) Also, can this be done with a single line command?
- 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 should text files end with a newline? - Stack Overflow
I assume everyone here is familiar with the adage that all text files should end with a newline I've known of this "rule" for years but I've always wondered — why?
- 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, 1 January 1970 In SQL Server 2016, you can convert one time zone to another using AT TIME ZONE You need to specify the name of the time zone in Windows standard format:
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