lsattr 主要参数如表。  -a 　显示所有文件和目录，包括以"."为名称开头字符的额外内建，现行目录"."与上层目录".."。   -d 　显示，目录名称，而非其内容。   -l 　此参数目前没有任何作用。   -R 　递归处理，将指定目录下的所有文件及子目录一并处理。   -v 　显示文件或目录版本。   -V 　显示版本信息。

LSATTR(1)                                                            LSATTR(1)NAME       lsattr - list file attributes on a Linux second extended       file systemSYNOPSIS       lsattr [ -RVadv ] [ files...  ]DESCRIPTION       lsattr lists the file attributes on  a  second  extended       file  system.   See  chattr(1)  for a description of the       attributes and what they mean.OPTIONS       -R     Recursively list attributes  of  directories  and              their contents.       -V     Display the program version.       -a     List  all  files  in directories, including files              that start with ‘.’.       -d     List directories like other  files,  rather  than              listing their contents.       -v     List the file’s version/generation number.AUTHOR       lsattr  was  written by Remy Card <Remy.Card@linux.org>.       It  is  currently  being  maintained  by  Theodore  Ts’o       <tytso@alum.mit.edu>.BUGS       There are none :-).

?  Desktop lsattr -d ak----i--------e- ak

?  Desktop rm -rf ak rm: cannot remove `ak‘: Operation not permitted

?  Desktop chattr -i ak?  Desktop lsattr -d ak     -------------e- ak?  Desktop rm -rf ak