vi run as root gives error accessing .exrc

今天有用户在使用某个内部工具时遇到这样一个问题：

Not owner of .exrc or .exrc is group or world writable
Error detected in .exrc.[Hit return to continue]

他说这个问题只在某些server上存在，大多数server上不会遇到。上穷碧落下黄泉地在公司内部搜索了一遍，没发现有用的信息。
郁闷中想起Google，于是试了一下，结果却是大喜过望，原来这是一个常见的vi引起的问题。
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4938594有详细的解释，转载如下：

Description	If a user has a $HOME/.exrc file, and runs vi while su'ed to root, the error: Not owner of .exrc or .exrc is group or world writable Error detected in .exrc.[Hit return to continue]
Work Around	set the EXINIT environment variable. Please search the vi man pages for "EXINIT" for infomation on this. Here's is what I added to my .cshrc file: setenv EXINIT 'set tabstop=4 wrapscan nomesg | map @4 :set tabstop=4^M | map @8 :set tabstop=8^M | map @L :set list^M | map @l :set nolist^M | map @n :w/!^M:n^M | map @N :n^M | map @r :w/!^M:rewind^M|map @R :rewind/!^M | map @W :w/!^M^Z | map @D Oopen(DB,">>/tmp/dbgdrc");^Mprint DB "/n";^Mclose(DB);^[' NOTES: 1) ^M is a ctrl-M (entered as ctrl-v ctrl-m) and ^[ is an escape character (ctrl-v Esc). 2) The '!' has to be escaped with the backslash to prevent it being interpreted by the shell. 3) Everything between the single quotes is on a single line. It is broken here for readability. 4) Rename/delete the .exrc file or you'll get the same error as before. [e-mail] 2004-12-10 23:57:36 GMT
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http://www.inturi.net/coranto/viewnews.cgi?id=EkpEEuAZpptohPAFyH 给出了更简洁的方法：

To avoid error "Not owner of .exrc or .exrc is group or world writable" in vi-- Posted by inturi on Wednesday, January 23 2008
set this environment variable
export EXINIT="set noexrc"