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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 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
- 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
- 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
- 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?
- 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?
- unix - Command line: piping find results to rm - Stack Overflow
You are actually piping rm 's output to the input of find What you want is to use the output of find as arguments to rm: find -type f -name '* sql' -mtime +15 | xargs rm xargs is the command that "converts" its standard input into arguments of another program, or, as they more accurately put it on the man page, build and execute command lines from standard input Note that if file names can
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