Crucial Exams

CompTIA Server+ SK0-005 Practice Question

While hardening a portable backup script, a systems administrator needs the script to rotate logs only when the current log volume (in MB) stored in variable SIZE exceeds the configured maximum stored in MAX. The existing Bourne-shell code is:

if [ "$SIZE" > "$MAX" ]; then
  /usr/local/bin/rotate_logs
fi

During testing, the shell treats the > symbol as an output-redirection operator and the comparison fails. The script must stay POSIX-compliant and run under /bin/sh. Which replacement will correctly perform the numeric comparison?

  • Escape the operator: if [ "$SIZE" \> "$MAX" ]; then

  • Replace the condition with if [ "$SIZE" -ge "$MAX" ]; then

  • Replace the condition with if [ "$SIZE" -gt "$MAX" ]; then

  • Use arithmetic evaluation: if (( SIZE > MAX )); then

CompTIA Server+ SK0-005
Server Administration
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