22124201 TCSH Latest Patch 126630-03 changes the behavior of Exit . You cannot exit .
--- tcsh-6.18.01/host.defs.orig Mon Mar 4 10:31:07 2013
+++ tcsh-6.18.01/host.defs Mon Mar 4 10:42:45 2013
@@ -41,6 +41,7 @@
macro : M_mips64eb : (defined(mips64) || defined(__mips64)) && (defined(MIPSEB) || defined(__MIPSEB))
macro : M_mipsel : (!defined(M_mips64el)) && (defined(mips) || defined(__mips)) && (defined(MIPSEL) || defined(__MIPSEL))
macro : M_mipseb : (!defined(M_mips64eb)) && (defined(mips) || defined(__mips)) && (defined(MIPSEB) || defined(__MIPSEB))
+macro : M_amd64 : (defined(__amd64))
macro : M_i386 : (defined(i386) || defined(__i386__))
macro : M_i486 : (defined(i486) || defined(__i486__))
macro : M_i586 : (defined(i586) || defined(__i586__))
@@ -333,6 +334,7 @@
vendor : : "sun"
hosttype: defined(M_i386) && !defined(__SVR4) : "sun386i"
hosttype: defined(M_i386) && defined(__SVR4) : "i86pc"
+hosttype: defined(M_amd64) : "i86pc"
hosttype: defined(mc68010) : "sun2"
hosttype: defined(mc68020) : "sun3"
hosttype: defined(sparc) : "sun4"
@@ -345,6 +347,7 @@
machtype: defined(sparcv9) : "sparcv9"
machtype: defined(sparc) : "sparc"
machtype: defined(M_i386) : "i386"
+machtype: defined(M_amd64) : "amd64"
enddef :