Your Question: Which Command Is Used for Pattern Matching in Unix?

Grep command in Unix/Linux is the short form of ‘global search for the regular expression’. The grep command is a filter that is used to search for lines matching a specified pattern and print the matching lines to standard output.

What is grep command used for?

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect.

Which command is used to match the pattern along with the line number from a file?

Grep is an acronym that stands for Global Regular Expression Print. Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. The text search pattern is called a regular expression. When it finds a match, it prints the line with the result.