답변:
시험
tail /var/log/syslog
예:
$ tail /var/log/syslog
Mar 21 11:41:32 whoopsie[1194]: last message repeated 15 times
Mar 21 11:42:32 whoopsie[1194]: last message repeated 20 times
Mar 21 11:43:32 whoopsie[1194]: last message repeated 16 times
Mar 21 11:44:32 whoopsie[1194]: last message repeated 14 times
Mar 21 11:45:32 whoopsie[1194]: last message repeated 11 times
Mar 21 11:46:32 whoopsie[1194]: last message repeated 16 times
Mar 21 11:47:32 whoopsie[1194]: last message repeated 15 times
Mar 21 11:48:32 whoopsie[1194]: last message repeated 14 times
Mar 21 11:49:32 whoopsie[1194]: last message repeated 16 times
Mar 21 11:50:32 whoopsie[1194]: last message repeated 22 times
기본적으로 tail
마지막 10 행의 입력 파일을 표시합니다. 더 표시하려면 옵션이 -n
있습니다.
보낸 사람 man tail
:
-n, --lines=K
output the last K lines, instead of the last 10; or use -n +K to
output lines starting with the Kth
예를 들면 다음과 같습니다.
$ tail -n 15 /var/log/syslog
Mar 21 11:56:45 Karimov-Danil named[1122]: error (network unreachable) resolving './DNSKEY/IN': 2001:dc3::35#53
Mar 21 11:56:45 Karimov-Danil named[1122]: error (network unreachable) resolving './NS/IN': 2001:dc3::35#53
Mar 21 11:56:48 Karimov-Danil named[1122]: managed-keys-zone: Unable to fetch DNSKEY set '.': timed out
Mar 21 11:56:51 Karimov-Danil whoopsie[1194]: online
Mar 21 11:57:54 whoopsie[1194]: last message repeated 17 times
Mar 21 11:58:58 whoopsie[1194]: last message repeated 16 times
Mar 21 12:00:03 whoopsie[1194]: last message repeated 10 times
Mar 21 12:01:03 whoopsie[1194]: last message repeated 16 times
Mar 21 12:02:03 whoopsie[1194]: last message repeated 10 times
Mar 21 12:03:03 whoopsie[1194]: last message repeated 17 times
Mar 21 12:04:03 whoopsie[1194]: last message repeated 14 times
Mar 21 12:05:03 whoopsie[1194]: last message repeated 17 times
Mar 21 12:06:03 whoopsie[1194]: last message repeated 13 times
Mar 21 12:07:04 whoopsie[1194]: last message repeated 16 times
Mar 21 12:08:04 whoopsie[1194]: last message repeated 16 times
tail
더 자세히 알려주세요 . 예를 들어 tail -15 /var/log/syslog
마지막 15 줄 등을 표시합니다.
tail
갈 수있는 방법이지만, 어떤 이유로 든 가지고 있지 않은 tail
경우 tac
+ 를 사용할 수 있습니다awk
tac input.txt | awk 'NR <=10'