#在系统中输入命令,报如下错误:
[root@a1 work]# ll
-bash: ls: command not found
#昨时解决办法:
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
#永久解决办法:
echo "export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/roobo/server/mysql/bin:/root" >>/etc/profile
source /etc/profile