$grep -l 'unix' * or $grep -l 'unix' f1.txt f2.txt f3.xt f4.txtĤ. Display the file names that matches the pattern : We can just display the files that contains the given string/pattern. Displaying the count of number of matches : We can find the number of lines that matches the given string/patternģ. It matches the words like “UNIX”, “Unix”, “unix”.Ģ. Case insensitive search : The -i option enables to search for a string case insensitively in the given file. UNix is easy to learn.unix is a multiuser os.Learn unix. C n : Prints searched line and n lines after before the result. B n : Prints searched line and n line before the result. A n : Prints searched line and nlines after the result. With each such part on a separate output line. o : Print only the matched parts of a matching line, E : Treats pattern as an extended regular expression (ERE) f file : Takes patterns from file, one per line. e exp : Specifies expression with this option. v : This prints out all the lines that do not matches the pattern n : Display the matched lines and their line numbers. h : Display the matched lines, but do not display the filenames.

Options Description -c : This prints only a count of the lines that match a pattern ISRO CS Syllabus for Scientist/Engineer Exam.

ISRO CS Original Papers and Official Keys.

GATE CS Original Papers and Official Keys.

Grep to find word in file