LinuxOSをセットアップする時にまず最初にやること

# aptitude purge nano
The following packages will be REMOVED:  
  nano{p} 
0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 1,704 kB will be freed.
Do you want to continue? [Y/n/?] y
(Reading database ... 27351 files and directories currently installed.)
Removing nano ...
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/editor (editor) in auto mode
Purging configuration files for nano ...
Processing triggers for man-db ...
Processing triggers for install-info ...