rmdir

Remove directory, this command will only work if the folders are empty. 移除一個空文件夾
Syntax
????? rmdir [options]... folder(s)...
Options
????? --ignore-fail-on-non-empty
????????????????? Ignore each failure that is solely because the
????????????????? directory is non-empty.
? -p, --parents?? Remove explicit parent directories if being emptied

????? --verbose?? Output a diagnostic for every directory processed

????? --help????? Display help and exit

????? --version?? Output version information and exit

Example
$ rmdir myfolder
Before removing directories with a wildcard, it's wise to list them first:
$ ls -d britney*/


rm

Remove files

rm -rf

remove non-empty folder（rm -rf will recursively remove folders and their contents）

ls -al
?
List information about files

tar

壓縮，解壓文件命令

把其他路徑下的壓縮文件解壓到當前文件夾：

tar?zxvf? / usr / local / xxx.tar.gz

patch?–p0?<?patchfile.patch