Questions tagged [options]
Passing options like -l or --word to commands, or parsing them in scripts.
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What is the `less` command line option to page to the next file at the end of the current one?
I'm sure there used to be an option in less which allowed you to page onto the next file after you reached the end of the current file, so you could just keep *space*ing through a bunch of short files ...
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Is '-9' a flag to kill command?
What does -9 do?
It does not show up in the syntax:
$ kill
kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
$
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3
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xmessage over ssh
The following command prints a message over ssh :
xmessage Message -display :0 &
How does it work? there is no -display option in xmessage's man page.
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How to catch optioned and non optioned arguments correctly?
I want to write a shell script which will take some arguments with some options and print that arguments. Suppose the name of that script is abc.ksh. Usage of that script is -
./abc.ksh -[a <arg>...
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Is there a 'rc' configuration file for grep/egrep? (~/.egreprc?)
I usually use grep when developing, and there are some extensions that I always want to exclude (like *.pyc).
Is it possible to create a ~/.egreprc or something like that, and add filtering to ...
22
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8
answers
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Compiling GNU/Linux with -O3 optimization
It's said that compiling GNU tools and Linux kernel with -O3 gcc optimization option will produce weird and funky bugs. Is it true? Has anyone tried it or is it just a hoax?
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How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?
How do you remove a file whose filename begins with a dash (hyphen or minus) -? I'm ssh'd into a remote OSX server and I have this file in my directory:
tohru:~ $ ls -l
total 8
-rw-r--r-- 1 me ...
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what is commit=0 for ext4? does mdadm not support it?
I see this in my dmesg log
EXT4-fs (md1): re-mounted. Opts: commit=0
EXT4-fs (md2): re-mounted. Opts: commit=0
EXT4-fs (md3): re-mounted. Opts: commit=0
I think that means that dealloc is disabled? ...
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