LINUX C SHELL 环境变量
/etc/csh.cshrc Read first by every shell. ConvexOS,use/etc/cshrc and NeXTs use/etc/cshrc.std. A/UX, AMIX, Cray and IRIX have no equivalent in csh(1), but read this file in tcsh anyway.2.x does not have it either, but tcsh reads /etc/.cshrc.(+)/etc/csh.login Read by login shells after /etc/csh.cshrc. ConvexOS, Stel- lix and Intel use/etc/login, NeXTs use/etc/login.std, Solaris 2.x uses /etc/.login an