/etc: /etc: 是一个目录
air@air-desktop:~$
进不了超级用户！1
vi /etc/passwd
root
0:0:xjb8280,,,:/root:/etcdaemon
1:1:daemon:/usr/sbin:/bin/shbin
2:2:bin:/bin:/bin/shsys
3:3:sys:/dev:/bin/shsync
4:65534:sync:/bin:/bin/syncgames
5:60:games:/usr/games:/bin/shman
6:12
/var/cache/man:/bin/shlp
7:7:lp:/var/spool/lpd:/bin/sh8:8:mail:/var/mail:/bin/shnews
9:9:news:/var/spool/news:/bin/shuucp
10:10:uucp:/var/spool/uucp:/bin/shproxy
13:13:proxy:/bin:/bin/shwww-data
33:33:www-data:/var/www:/bin/shbackup
34:34:backup:/var/backups:/bin/shlist
38:38:Mailing List Manager:/var/list:/bin/shirc
39:39:ircd:/var/run/ircd:/bin/shgnats
41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/shnobody
65534:65534:nobody:/nonexistent:/bin/shlibuuid
100:101::/var/lib/libuuid:/bin/shsyslog
101:103::/home/syslog:/bin/falsemessagebus
102:107::/var/run/dbus:/bin/falseavahi-autoipd
103:110:Avahi autoip daemon,,,:/var/lib/avahi-autoipd:/bin/falseavahi
104:111:Avahi mDNS daemon,,,:/var/run/avahi-daemon:/bin/false什么原因 怎么改！