学习

2018-10-08

cp #一个文件到一个文件，或者多个文件到一个目录
cp ./1/2.txt  /tmp/  #复制到tmp下
cp ./1/2.txt  /tmp/3.txt      #复制到tmp下并命名为3.txt
cp -r #递归复制

cp -r /home/* ./ 
cp: cannot open '/home/dzhang/.bash_history' for reading: Permission denied
cp: cannot access '/home/dzhang/.cache': Permission denied
cp: cannot open '/home/dzhang/.viminfo' for reading: Permission denied
cp: cannot access '/home/gyli/.cache': Permission denied
cp: cannot open '/home/gyli/.bash_history' for reading: Permission denied
cp: cannot open '/home/gyli/.viminfo' for reading: Permission denied
cp: cannot open '/home/htwang/.viminfo' for reading: Permission denied
cp: cannot access '/home/htwang/.cache': Permission denied
cp: cannot open '/home/htwang/.bash_history' for reading: Permission denied
cp: cannot open '/home/htwang/nohup.out' for reading: Permission denied

ls
1  2.txt  dzhang  gyli  htwang  readme.txt

这不就用上了rm -rf 吗，哈哈哈哈

rm -rf dzhang/ gyli/ htwang/ 

cp - p #保留原来模式

今天就看这么多，过两天应该没有杂事了