CyberCertPrepSecurity FundamentalsLinux BasicsEASYFree question
What is the primary purpose of the 'grep' command?
- A.To search for text patterns within files
- B.To compress files
- C.To change file permissions
- D.To display disk usage
Why A is correct
grep (Global Regular Expression Print) searches for text patterns in files or command output. For example, 'grep error /var/log/syslog' finds all lines containing 'error' in the syslog file. It is one of the most essential tools for log analysis and security investigations.
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