Shell Scripting

grep practice: Use grep to find all lines containing\n \"WARN\" . Save to grep_result.txt .
cut practice: Use cut to extract the second field (the\nmessage types: INFO, WARN, ERROR).\nSave to cut_result.txt .
head practice: Use head to show only the first 3 lines\nof the log. Save to head_result.txt .

Delete saved progress?

Do you want to delete all saved progress for this tutorial and reset the current step files?

Selecting No will just turn off auto-save — your progress is kept but won't be updated.

Reading aloud 1.0x