버그인가?? 정확한 해석점.소스만 적어보았슴다.

-rwxrwxrwx 1 linu linu 9 Nov 6 1550 s^1
-rw-rw-r-- 1 linu linu 413 Oct 31 0939 Setuid.list
drwxrwxr-x 2 linu linu 4096 Oct 30 1747 tip
drwxrwxr-x 2 linu linu 4096 Nov 5 1059 tmp
[linu@linu linu]$ more s^1
who am i
[linu@linu linu]$ echo $PATH
/usr/local/bin/bin/usr/bin/usr/X11R6/bin/home/linu/bin/usr/local/mys
ql/bin
[linu@linu linu]$ export PATH=.$PATH
[linu@linu linu]$ s^1
linu.sarang.net!linu pts/1 Nov 6 1753
[linu@linu linu]$ ^^1
bash s^^1 no previous substitution
[linu@linu linu]$ ^^1
bash s^^1 no previous substitution
[linu@linu linu]$ ^1
s^
bash s^ command not found
[linu@linu linu]$ ^^1
bash s^^1 substitution failed
[linu@linu linu]$ s^1
linu.sarang.net!linu pts/1 Nov 6 1753
[linu@linu linu]$ ^^1
s^1
linu.sarang.net!linu pts/1 Nov 6 1753
[linu@linu linu]$
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