Linux: Process Backgound/Foreground

To send a currently running process to background press: Ctrl+Z

~$ sudo unzip Acappella_METRO.zip
Archive:  Acappella_METRO.zip
   creating: Acappella_METRO/
  inflating: Acappella_METRO/.project
  inflating: Acappella_METRO/.pydevproject
   creating: Acappella_METRO/.settings/
  inflating: Acappella_METRO/.settings/org.eclipse.core.resources.prefs
   creating: Acappella_METRO/birt-runtime-2_2_2/
  inflating: Acappella_METRO/birt-runtime-2_2_2/about.html
   creating: Acappella_METRO/birt-runtime-2_2_2/about_files/
   creating: Acappella_METRO/birt-runtime-2_2_2/about_files/CVS/
 extracting: Acappella_METRO/birt-runtime-2_2_2/about_files/CVS/Entries
 extracting: Acappella_METRO/birt-runtime-2_2_2/about_files/CVS/Repository
 extracting: Acappella_METRO/birt-runtime-2_2_2/about_files/CVS/Root
  inflating: Acappella_METRO/birt-runtime-2_2_2/about_files/LICENSE.txt
  inflating: Acappella_METRO/birt-runtime-2_2_2/birt.war  ^Z
[1]+  Stopped                 sudo unzip Acappella_METRO.zip

To bring back the process to foreground type: fg 1

inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/mapper.py
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/mapper.pyc
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/properties.py
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/properties.pyc
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/query.py
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/query.pyc
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/scoping.py
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/scoping.pyc
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/session.py
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/session.pyc
  inflating: Acappella_METRO/thirdparty/sqlalchemy/orm/shard.py