Grep

How to filter lines and extract specific information from the output of commands or text files based on string patterns and regular expressions with grep.

Learn how to filter and format the output of commands and logs using the grep, awk, uniq, head, and tail commands.

By default, grep is case sensitive

Guide on several cases of using grep across multiple lines

Grep to search for words/phrases in directories and subdirectories

Excluding unwanted key terms or directories when using grep

Efficiently count lines or occurrences in a file.