abdullahradhy@ubuntu:~$ sudo apt-get install emacs23E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?有什么问题吗?如何解决这个问题?
Reading package lists...DoneReading state information...DoneThis may mean that the package is missing, has been obsoleted, or is only avaliable from another source
E: Package 'software-