Topic
Files systems, log files
Skill drills that cover this topic
- CSCD240-E1-A-Q13 performance search-find Somewhere in the filesystem there is a file config.ini. Locate it.
- CSCD240-E1-A-Q34 performance grep Print lines of access.log containing 403 with their line numbers.
- CSCD240-E1-A-Q37 performance field-extract data.csv has comma-separated records. Print just the second column.
- CSCD240-E1-A-Q50 performance log-pipeline auth.log line format "2026-04-14 08:31 FAIL user=alex src=10.x". Print top-3 FAIL source IPs, count first, most-frequent first.
- CSCD240-E1-B-Q18 performance log-search Print every line of auth.log containing "Failed password" (case-insensitive), with line numbers.
- CSCD240-E1-B-Q19 performance log-pipeline Top 5 source IPs in FAIL lines of auth.log, where IP is field 5.
- CSCD240-E1-B-Q23 performance grep-recursive Recursively search /etc for any file containing "password=" and print only filenames.