摘要： [root@localhost shell]# cat /tmp/xargs 1 2 34 5 6 7 89 10 [root@localhost shell]# cat /tmp/xargs |xargs1 2 3 4 5 6 7 8 9 10[root@localhost shell]# cat 阅读全文

摘要： [root@localhost ~]# cat /etc/passwd |grep root #匹配任意位置的rootroot:x:0:0:root:/root:/bin/bashoperator:x:11:0:operator:/root:/sbin/nologin[root@localhost 阅读全文

摘要： [root@localhost ~]# echo -e "\e[1;31m this is ceshi \e[0m" this is ceshi [root@localhost ~]# echo -e "\e[1;42m this is ceshi \e[0m" this is ceshi [roo 阅读全文