不多说，直接上干货！
问题详情
ubuntu系统里vi编辑器时，按方向箭头输入是乱码的ABCD字母？
解决办法
是由于预装的vim软件没更新，运行
sudo apt-get install vim 安装最新的即可解决！
spark@slave1:~$ sudo apt-get install vim Reading package lists... DoneBuilding dependency tree Reading state information... DoneThe following additional packages will be installed: vim-common vim-runtime vim-tinySuggested packages: ctags vim-doc vim-scripts vim-gnome-py2 | vim-gtk-py2 | vim-gtk3-py2 | vim-athena-py2 | vim-nox-py2 indentThe following NEW packages will be installed: vim vim-runtimeThe following packages will be upgraded: vim-common vim-tiny2 upgraded, 2 newly installed, 0 to remove and 406 not upgraded.Need to get 6,748 kB of archives.After this operation, 30.0 MB of additional disk space will be used.Do you want to continue? [Y/n] yGet:1 http://cn.archive.ubuntu.com/ubuntu xenial-updates/main amd64 vim-tiny amd64 2:7.4.1689-3ubuntu1.2 [445 kB]Get:2 http://cn.archive.ubuntu.com/ubuntu xenial-updates/main amd64 vim-common amd64 2:7.4.1689-3ubuntu1.2 [103 kB]Get:3 http://cn.archive.ubuntu.com/ubuntu xenial-updates/main amd64 vim-runtime all 2:7.4.1689-3ubuntu1.2 [5,164 kB]Get:4 http://cn.archive.ubuntu.com/ubuntu xenial-updates/main amd64 vim amd64 2:7.4.1689-3ubuntu1.2 [1,036 kB]Fetched 6,748 kB in 17s (384 kB/s) (Reading database ... 179064 files and directories currently installed.)Preparing to unpack .../vim-tiny_2%3a7.4.1689-3ubuntu1.2_amd64.deb ...Unpacking vim-tiny (2:7.4.1689-3ubuntu1.2) over (2:7.4.1689-3ubuntu1.1) ...Preparing to unpack .../vim-common_2%3a7.4.1689-3ubuntu1.2_amd64.deb ...Unpacking vim-common (2:7.4.1689-3ubuntu1.2) over (2:7.4.1689-3ubuntu1.1) ...Selecting previously unselected package vim-runtime.Preparing to unpack .../vim-runtime_2%3a7.4.1689-3ubuntu1.2_all.deb ...Adding 'diversion of /usr/share/vim/vim74/doc/help.txt to /usr/share/vim/vim74/doc/help.txt.vim-tiny by vim-runtime'Adding 'diversion of /usr/share/vim/vim74/doc/tags to /usr/share/vim/vim74/doc/tags.vim-tiny by vim-runtime'Unpacking vim-runtime (2:7.4.1689-3ubuntu1.2) ...Selecting previously unselected package vim.Preparing to unpack .../vim_2%3a7.4.1689-3ubuntu1.2_amd64.deb ...Unpacking vim (2:7.4.1689-3ubuntu1.2) ...Processing triggers for man-db (2.7.5-1) ...Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...Processing triggers for desktop-file-utils (0.22-1ubuntu5) ...Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160701-0ubuntu1) ...Rebuilding /usr/share/applications/bamf-2.index...Processing triggers for mime-support (3.59ubuntu1) ...Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...Setting up vim-common (2:7.4.1689-3ubuntu1.2) ...Setting up vim-tiny (2:7.4.1689-3ubuntu1.2) ...Setting up vim-runtime (2:7.4.1689-3ubuntu1.2) ...Setting up vim (2:7.4.1689-3ubuntu1.2) ...update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vim (vim) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vimdiff (vimdiff) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/rvim (rvim) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/rview (rview) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vi (vi) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/view (view) in auto modeupdate-alternatives: using /usr/bin/vim.basic to provide /usr/bin/ex (ex) in auto modespark@slave1:~$
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