AIX批量创建用户脚本

#!/bin/ksh

####批量创建用户####
SuperDir=/dbbackup/ftpuser/ ##用户上级目录定义
PGRP=test ##属组定义
set -A username test1 test2 test3 test4 test5 test6  ##添加用户列表 
for userinfo in ${username[@]}
do
    echo "create user ${userinfo}"
    mkdir -p ${SuperDir}${userinfo}
    ln -s ${SuperDir}${userinfo} /${userinfo}
    OLDUID=$(cat /etc/passwd | grep -v '4294967294'| cut -d ':' -f3 | sort -rn | awk 'Begin {max=0} {if($0>max)max=$0 fi}END{print max}')
    currentUID=$((OLDUID+1))
    echo $(cat /etc/group | grep -v '4294967294'| cut -d ':' -f3 | sort -rn | awk 'Begin {max=0} {if($0>max)max=$0 fi}END{print max}')
    mkuser id=${currentUID} pgrp=${PGRP} groups=${PGRP} home=/${userinfo} ${userinfo}
    chown ${userinfo}:${PGRP} ${SuperDir}${userinfo}
done 

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以下命令单独执行:

查看最大UID
echo $(cat /etc/passwd | grep -v '4294967294'| cut -d ':' -f3 | sort -rn | awk 'Begin {max=0} {if($0>max)max=$0 fi}END{print max}')
查看最大GID
echo $(cat /etc/group | grep -v '4294967294'| cut -d ':' -f3 | sort -rn | awk 'Begin {max=0} {if($0>max)max=$0 fi}END{print max}')

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转载自my.oschina.net/Birdofprey/blog/1802279