COMPUTER SCIENCE AND ENGINEERING
UNIX
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cat
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head
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tail
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cd
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Detailed explanation-1: -Which of the following is not filter in unix? Explanation: cd is not a filter in unix.
Detailed explanation-2: -Common Unix filter programs are: cat, cut, grep, head, sort, tail, and uniq. Programs like awk and sed can be used to build quite complex filters because they are fully programmable.
Detailed explanation-3: -Linux Filter commands accept input data from stdin (standard input) and produce output on stdout (standard output). It transforms plain-text data into a meaningful way and can be used with pipes to perform higher operations.
Detailed explanation-4: -Grep, Egrep, Fgrep, Rgrep Commands These filters output lines matching a given pattern. They read lines from a file or standard input, and print all matching lines by default to standard output.
Detailed explanation-5: -Linux has a number of filters. Some of the most commonly used filters are explained below: 1. cat : Displays the text of the file line by line.