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$ history 5
209 cd /
210 cd /etc
211 ls
212 vi syslog.conf
213 history 5
ãå®è¡ä¾ã§ã¯ãæè¿5åã®å ¥åã³ãã³ãã表示ããããã«æ示ãã¦ãã¾ãã
ãã¾ããä¸ã®ä½¿ç¨ä¾ã®ããã«historyã³ãã³ããå®è¡ããçµæãå·¦å´ã«è¡¨ç¤ºãããçªå·ã使ããã¨ã§ãéå»ã«å ¥åããã³ãã³ãããç°¡åã«å®è¡ãããã¨ãã§ãã¾ããã!ãï¼æå符ï¼ã«ç¶ãã¦çªå·ãå ¥åãã¦å®è¡ãã¾ãã
$ !213
history 5
210 cd /etc
211 ls
212 vi syslog.conf
213 history 5
214 history 5
ããã®ä¾ã§ã¯ãã213ãã®ã³ãã³ãã§ããããhistory 5ããåå®è¡ãã¾ããã
ãç´åã«å®è¡ããã³ãã³ããå度å®è¡ããå ´åã«ã¯ãã!!ãï¼äºéæå符ï¼ã ããå ¥åãã¦å®è¡ãããã¨ãã§ãã¾ã
ãã¾ããbashã§ã¯ããã®æ©è½ãããã«æ¡å¼µããã[â]ãã¼ã¨[â]ãã¼ã使ã£ã¦ãåå¾ã®ã³ãã³ããããã³ããé¨ã«è¡¨ç¤ºãããããç·¨éããªããå®è¡ããã¨ãããã¨ãã§ãã¾ãã
[takeda]$ history 5
901 ls -l
902 cat wc02
903 ls
904 pwd
905 history 5
[takeda]$
[â]ãæ¼ã
[takeda]$ history 5
[â]ãæ¼ã
[takeda]$ pwd
[â]ãæ¼ã
[takeda]$ ls
[â]ãæ¼ã
[takeda]$ cat wc02
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[takeda]$ cat wc0_
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[takeda]$ cat wc01
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