Install graphic magic

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In root directory type this command:
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mkdir src
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Type this command
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cd src
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Type this command
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apt-get source graphicsmagick
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Enter into graphicsmagic* directory Type this command
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Now, run vim debian/rules
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Press I find this text
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./configure $(gm_confflags) \
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Enter this text below it
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--with-quantum-depth=16 \  and press esc then type :wq and hit Enter
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After that run this command
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sudo apt-get build-dep graphicsmagick
 dpkg-buildpackage
 sudo dpkg -i ../graphicsmagick*.deb
 
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