摘要：《UNIX环境高级编程(第2版)》 4.9节1.chmod自动清除“设置组ID位”user3@SuSE11SP2-1:/home/user1/setgid> iduid=1003(user3) gid=1003(group3) groups=1003(group3),16(dialout),33(video)user3@SuSE11SP2-1:/home/user1/setgid>user3@SuSE11SP2-1:/home/user1/setgid> ls -ld .drwxr-srwx 2 user1 users 4096 Mar 20 12:40 .user3@SuS 阅读全文

摘要：标题有点绕口~#!/usr/bin/expect -fif { $argc<4 } { puts stderr "Usage: $argv0 <host> <user> <passwd> <cmd>" exit 1 }set HOST [lindex $argv 0]set USER [lindex $argv 1]set PSWD [lindex $argv 2]set CMDS [lindex $argv 3]log_user 0set timeout 3spawn -noecho ssh $USER@$HOST & 阅读全文