noth@www:/tmp/work$ ls
명령어 앞에 공백이 있으면 히스토리에 저장을 안하는군요
[code:3e2k7joh]
noth@www:/tmp/work$ ls
noth@www:/tmp/work$ history | tail -2
1018 ls
1019 history | tail -2
noth@www:/tmp/work$ ls -al
합계 16
drwxr-xr-x 2 noth noth 4096 2009-01-10 05:49 .
drwxrwxrwt 48 root root 12288 2009-01-10 05:49 ..
noth@www:/tmp/work$ history | tail -2
1020 ls -al
1021 history | tail -2
noth@www:/tmp/work$ ls
noth@www:/tmp/work$ history | tail -2
1020 ls -al
1021 history | tail -2
noth@www:/tmp/work$ history | tail -5
1018 ls
1019 history | tail -2
1020 ls -al
1021 history | tail -2
1022 history | tail -5
noth@www:/tmp/work$
[/code:3e2k7joh]