感谢 Peter van der Heijden ，这将适用于其中带有空格的文件名:

Thanks to Peter van der Heijden, here's one that'll work for filenames with spaces in them:

for f in * ; do mv -- "$f" "PRE_$f" ; done

(-"对于以破折号开头的文件来说是成功的，否则其名称将被解释为mv命令的开关)