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How delete particular line with out opening file?

How delete particular line with out opening file,say i want to delete line number 2 in a file with out using vi.
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umeshexp
Asked:
umeshexp
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1 Solution
 
omarfaridCommented:
try

sed '2 d' file > file.$$
mv file.$$ file
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omarfaridCommented:
why B grade :|
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