grep
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What is grep?
grep is a command-line utility used for searching plain-text data sets for lines matching a regular expression. It outputs the lines that contain the specified pattern, making it a powerful tool for filtering and locating specific information within files or streams of data. Its name comes from the ed command g/re/p (globally search a regular expression and print).
Free resources to learn grep
More in stage 11: Text Editors
grep: common questions
Can I learn grep in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain grep in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this grep tutorial for beginners?
It is lesson 43 of 166 in the free Shell / Bash roadmap, in stage 11, Text Editors. If you are new to Shell / Bash, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.