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Shell comparison

  sh ksh csh bash tcsh
alias   x x x x
exporting aliases   x      
arithemtic ops   x x x x
integer arithmetic   x x x x
arrays   x x   x
.logout     x   x
autoload   x      
file name expansion   x x x x
dirs, pushd, popd     x x x
formatted variables   x      
functions x x   x  
local vars in funcs   x   x  
history   x x x x
job control   x x x x
arrays   x x   x
select   x   x  
command editor   x   x x
coprocesses   x      
meta characters x x   x x
noclobber, ignoreeof   x x x x
run commands (rc files)   x x x x
arrays   x x   x
read-only variables x x   x x
names for signales   x x x x
string ops   x   x  
~   x x x x
typo correction         x
customized prompt   x x x x
$RANDOM   x   x  
All shells mentioned have: command substituion, command tracking, signals, word completion, cdpath, login files