在Ubuntu 中执行apt-get命令时，提示：

The following packages were automatically installed and are no longer required:
libaccess-bridge-java libjs-mochikit python-cheetah libjs-excanvas
libaccess-bridge-java-jni sabnzbdplus-theme-smpl tzdata-java
ca-certificates-java
Use ‘apt-get autoremove’ to remove them.

在Debian或Ubuntu Linux中，可以删除不需要的软件包：

$ sudo apt-get autoremove

输出示例：

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  ca-certificates-java libaccess-bridge-java libaccess-bridge-java-jni
  libjs-excanvas libjs-mochikit python-cheetah sabnzbdplus-theme-smpl
  tzdata-java
0 upgraded, 0 newly installed, 8 to remove and 4 not upgraded.
After this operation, 6,369 kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 334576 files and directories currently installed.)
Removing ca-certificates-java ...
Removing libaccess-bridge-java-jni ...
Removing libaccess-bridge-java ...
Removing sabnzbdplus-theme-smpl ...
Removing libjs-excanvas ...
Removing libjs-mochikit ...
Removing python-cheetah ...
Removing tzdata-java ...
Processing triggers for python-support ...
Processing triggers for man-db ...