ls 명령어의 file type

man find        -type c               File is of type c:               b      block (buffered) special               c      character (unbuffered) special               d      directory               p      named pipe (FIFO)               f      regular file               l      symbolic link; this is never true if the -L option or the -follow option is in effect,                      unless  the symbolic link is broken.  If you want to search for symbolic links when -L                      is in effect, use -xtype.               s      socket               D      door (Solaris)

'ls -l'을  실행하면

$ ll total 1922 drwxr-xr-x   2 root root    4096 Nov 15 04:17 bin drwxr-xr-x   4 root root    1024 Apr 11  2008 boot drwxr-xr-x  12 root root    3900 Nov 14 13:07 dev drwxr-xr-x 101 root root   12288 Dec 15 04:15 etc drwxr-xr-x  10 root root    4096 Aug 19 13:59 home drwxr-xr-x  14 root root    4096 Apr 11  2008 lib drwx------   2 root root   16384 Apr 10  2008 lost+found drwxr-xr-x   2 root root    4096 Nov 14 13:07 media drwxr-xr-x   2 root root       0 Nov 14 13:07 misc drwxr-xr-x   2 root root       0 Nov 14 13:07 mnt drwxr-xr-x   2 root root       0 Nov 14 13:07 net drwxr-xr-x   2 root root    4096 Jun 19  2008 nfsroot drwxr-xr-x   3 root root    4096 May 29  2008 opt dr-xr-xr-x 195 root root       0 Nov 14 13:06 proc drwxr-x---  29 root root    4096 Dec 17 11:00 root drwxr-xr-x   2 root root   12288 Apr 11  2008 sbin drwxr-xr-x   2 root root    4096 Apr 10  2008 selinux drwxr-xr-x   2 root root    4096 Oct 11  2006 srv drwxr-xr-x  12 root root       0 Nov 14 13:06 sys drwxr-xr-x   2 root root    4096 Dec 17 13:30 tftpboot drwxrwxrwt  16 root dev    90112 Dec 19 20:01 tmp drwxr-xr-x  15 root root    4096 May 30  2008 usr drwxr-xr-x  24 root root    4096 Apr 10  2008 var

이런식으로 퍼미션과 파일의 종류가 출력이 된다.
아무튼 일반적으로 보이는 녀석들은

- 일반 파일
b Block device
c Character device
d Directory
l symbolic Link

인데 드물게 보이는 녀석들이 존재 한다.

prw------- 1 morpheuz dev        0 Jul 15 13:21 initctl crw-rw---- 1 morpheuz dev  61,   0 May 30  2008 lirc srwxr-xr-x 1 morpheuz dev        0 Oct 20 19:57 lircd brw-rw---- 1 morpheuz dev   7,   0 May 30  2008 loop0

이 녀석들의 의미는 역설적이게도.. find에서 찾아 냈다.

p name Pipe
s Socket