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Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file?
9 Answers
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How can I determine the URL that a local Git repository was originally cloned from?
..., there are at least four ways:
(The following was tried for the official Linux repository)
Least information:
$ git config --get remote.origin.url
https://github.com/torvalds/linux.git
and
$ git ls-remote --get-url
https://github.com/torvalds/linux.git
More information:
$ git remote -v
ori...
Android adb not found
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On Linux, Android SDK platform-tools package containing adb used to be 32bit. It worked fine on 32bit systems. But on 64bit systems you need to manually install the IA32 library.
For Debian based distributions try this:
sudo a...
How to add lines to end of file on Linux
...ckoverflow.com%2fquestions%2f16823591%2fhow-to-add-lines-to-end-of-file-on-linux%23new-answer', 'question_page');
}
);
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
...t is concerned, the "higher" regs are ordered, and both Microsoft and UN*X/Linux went for R8 / R9 as the first ones.
Keeping that in mind, Microsoft's choice of RAX (return value) and RCX, RDX, R8, R9 (arg[0..3]) are an understandable selection if you choose four registers for arguments.
I don't kno...
static linking only some libraries
..."int main() {}" > test.cpp
# c++ test.cpp /usr/lib/libX11.a
# ldd a.out
linux-vdso.so.1 => (0x00007fff385cc000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f9a5b233000)
libm.so.6 => /lib/libm.so.6 (0x00007f9a5afb0000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00007f9a5ad99000)
lib...
How to redirect the output of the time command to a file in Linux?
Just a little question about timing programs on Linux: the time command allows to
measure the execution time of a program:
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Number of processors/cores in command line
... am running the following command to get the number of processors/cores in Linux:
10 Answers
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python location on mac osx
I'm a little confused with the python on osx. I do not know if the previous owner of the laptop has installed macpython using macport. And I remembered that osx has an builtin version of python. I tried using type -a python and the result returned
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Are there any standard exit status codes in Linux?
A process is considered to have completed correctly in Linux if its exit status was 0.
10 Answers
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