tree,alias
1.yum install tree -y
递归创建目录-p: mkdir -p ./test/test
查看目录结构:
2.
默认cp =cp -i, 即:如果overwrite,会提示
如果想使用纯粹的cp,则是:\cp test.txt ./test/test.txt 或者是/bin/cp test.txt ./test/test.txt
alias mv='mv -i'
alias net='cat /etc/sysconfig/network-scripts/ifcfg-eth0'
全局生效:/etc/profile
当前用户生效:~/.bashrc