64、shell指令，mv,rm,mkdir

1、mv

1）mv- move (rename) files

mv [OPTION] source dest

mv [OPTION]... SOURCE... DIRECTORY

Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.

2）選項

① -f, do not prompt before overwriting

② -i, prompt before overwrite

③ -n, --no-clobber do not overwrite an existing file

If you specify more than one of -i, -f, -n, only the final one takes effect.

④ -u, --update move only when the SOURCE file is newer than the destination file or when the destination file is missing

⑤ -v, --verbose explain what is being done

2、rm

1）rm - removes each specified file. By default, it does not remove directories.

rm - remove files or directories

rm [OPTION]... FILE...

① -f, ignore nonexistent files, never prompt

② -i prompt before every removal

③ -r, remove directories and their contents recursively

④ -v, explain what is being done

3、mkdir

1）mkdir - make directories

mkdir [OPTION]... DIRECTORY...

2）OPTION

① -m, set file mode (as in chmod), not a=rwx - umask

② -p, no error if existing, make parent directories as needed

③ -v, print a message for each created directory

4、rmdir

參考

【1】 man手冊