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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
- 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, 8 months ago Modified 3 years, 8 months ago Viewed 356k 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
- What is the proper way to exit a command line program?
2 Take a look at Job Control on UNIX systems If you don't have control of your shell, simply hitting ctrl + C should stop the process If that doesn't work, you can try ctrl + Z and using the jobs and kill -9 %<job #> to kill it The '-9' is a type of signal You can man kill to see a list of signals
- Unix - copy contents of one directory to another [closed]
Unix - copy contents of one directory to another [closed] Asked 13 years, 1 month ago Modified 10 years, 7 months ago Viewed 270k times
- How to find out what group a given user has? - Stack Overflow
In Unix Linux, how do you find out what group a given user is in via command line?
- 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:
- 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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