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I'm on mac OSX mountain lion working with csh. I'm not quite sure what I did, but suddenly every standard unix command I run returns a "no match".

Example:

$ echo "Hello"
echo: no match
$ rm a.txt
rm: No match

I guess it's time to switch to bash, but anyone have any idea what might cause this?

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1  
What is your PATH? What happens when you start tcsh without loading startup files? – Daniel Beck Jan 17 '13 at 19:51
1  
Have you recently defined any new aliases or made other changes to your .cshrc or .login files? – Nicole Hamilton Jan 17 '13 at 19:54
    
could be a bug in some autoexecuting code, eg a prompt the executes something on every command. Try starting a new shell with /bin/csh -f to surpress startup file loading. – george Jan 17 '13 at 21:40

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