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How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
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grep a tab in UNIX
How do I grep tab (\t) in files on the Unix platform?
22 Answers
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What are named pipes?
...fficult to set up in practice. Different implementation in Windows than in Unix/Unix-like systems. They're cool, but I wouldn't bother unless performance is a must.
– sudo
Feb 13 '18 at 4:57
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Get Unix Epoch Time in Swift
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UNIX time format is with milliseconds. So Int(Date().timeIntervalSince1970 * 1000)
– CHiP-love-NY
Jan 28 '17 at 16:17
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What's a concise way to check that environment variables are set in a Unix shell script?
I've got a few Unix shell scripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
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Is there a way to change the environment variables of another process in Unix?
On Unix, is there any way that one process can change another's environment variables (assuming they're all being run by the same user)? A general solution would be best, but if not, what about the specific case where one is a child of the other?
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Rename multiple files based on pattern in Unix
... You are linking to a different rename then you are showing syntax for unixhelp.ed.ac.uk/CGI/man-cgi?rename is the other one
– Hasturkun
Jul 6 '09 at 11:39
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Converting a UNIX Timestamp to Formatted Date String
Using PHP, I want to convert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z
9 Answers
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Color text in terminal applications in UNIX [duplicate]
...to write a terminal text editor, something like the first text editors for UNIX, such as vi. My only goal is to have a good time, but I want to be able to show text in color, so I can have syntax highlighting for editing source code.
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What does the number in parentheses shown after Unix command names in manpages mean?
...nds and daemons
Original descriptions of each section can be seen in the Unix Programmer's Manual (page ii).
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