
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 …
unix - How to check permissions of a specific directory ... - Stack ...
I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory? I could obviously use ls -l on the directory higher in the hierarchy...
How to get the unix timestamp in C# - Stack Overflow
Jul 13, 2013 · 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#?
unix - What is the meaning of "POSIX"? - Stack Overflow
Nov 23, 2009 · 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 …
How can I convert bigint (UNIX timestamp) to datetime in SQL …
8 This will do it: declare @UNIX_TIME int select @UNIX_TIME = 1111111111 -- Using dateadd to add seconds to 1970-01-01 select [Datetime from UNIX Time] = …
unix - How to use echo command to print out content of a text file ...
I am trying to figure out what is the usage of this command: echo < a.txt According to text book it should redirect a programs standards input. Now I am redirecting a.txt to echo but instead of
unix - Diff files present in two different directories - Stack Overflow
Nov 9, 2012 · I have two directories with the same list of files. I need to compare all the files present in both the directories using the diff command. Is there a simple command line option …
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 …
How can I generate Unix timestamps? - Stack Overflow
Jul 30, 2009 · Related question is "Datetime To Unix timestamp", but this question is more general. I need Unix timestamps to solve my last question. My interests are Python, Ruby and …
unix - How to get PID of process by specifying process name and …
Jul 3, 2013 · a way to avoid the "grep -v grep" is to use "grep <process nam [e]>" so it interpolates the string and the process nam [e] isn't found when the first grep executes, if that makes sense.