1./shell[10]: ./x86/: cannot execute [is a directory]
2./shell[13]: ./shell.vgtest: cannot execute [Permission denied]
3./shell[16]: ./shell_badinterp: not found [No such file or directory]
4./shell_binaryfile: ./shell_binaryfile: cannot execute [Exec format error]
5./shell[22]: ./shell_nosuchfile: not found [No such file or directory]
6./shell[25]: shell_nosuchfile: not found [No such file or directory]
7