what are the uses of filters?
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Answer / satish
A filter is a program/command that gets most of its data
from its standard input and writes its main results to its
standard output.
Following are some filter commands.
awk,cat,comm,cut,expand,compress,fold,grep,head,tail,sed,sh,
tee,uniq,wc
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Answer / lakshmi
To filter the data from existing file.We can use filters to
extract the data according to our need.
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