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[yangfan@dhcp-13-42 /]$ pushd /home/yangfan/test~/test / ~ ~/kernel /home[yangfan@dhcp-13-42 test]$ pushd -2~ ~/kernel /home ~/test /[yangfan@dhcp-13-42 ~]$ pushd +2/home ~/test / ~ ~/kernel[yangfan@dhcp-13-42 home]$ pushd -1~ ~/kernel /home ~/test /[yangfan@dhcp-13-42 ~]$ pushd +1~/kernel /home ~/test / ~
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