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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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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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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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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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How to compile and run C/C++ in a Unix console/Mac terminal?
How can I compile/run C or C++ in Unix console or a Mac terminal?
16 Answers
16
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^M at the end of every line in vim
...sy way to strip out the DOS line endings is to use the ff option:
:set ff=unix
:wq
Now your file is back to the good-old-Unix-way.
If you want to add the DOS line-endings (to keep a printer happy, or transfer files with Windows friends who don't have nice tools) you can go the opposite direction...
Add up a column of numbers at the Unix shell
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... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?
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:e ++ff=dos followed by :set ff=unix will convert the endings to a sane format.
– Mateen Ulhaq
Mar 2 '18 at 2:22
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Why number 9 in kill -9 command in unix? [closed]
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See the wikipedia article on Unix signals for the list of other signals. SIGKILL just happened to get the number 9.
You can as well use the mnemonics, as the numbers:
kill -SIGKILL pid
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psql: FATAL: Peer authentication failed for user “dev”
...atabase user name
-h is the hostname/IP of the local server, thus avoiding Unix domain sockets
-d is the database name to connect to
This is then evaluated as a "network" connection by Postgresql rather than a Unix domain socket connection, thus not evaluated as a "local" connect as you might see ...