it didn't work.

The output is below:
(reading database ... 25649 files and directories currently installed)
Removing rootsh ...
/var/lib/dpkg/info/rootsh.prerm: line 5: syntax error: "fi" unexpected (expecting "then")
dpkg: error processing rootsh (--remove):
subprocess pre-removal script returned error exit status 2 Errors were encountered while processing:
rootsh

/home/user # ..............

ok any suggestions now? :P