tar(1) -cvf 1.tar asda%2F
The GNU version of the tar archiving utility
-c, --create
      create a new archive
-v, --verbose
      verbosely list files processed
-f, --file ARCHIVE
      use archive file or device ARCHIVE
tar [-] A --catenate --concatenate | c --create | d --diff --compare | --delete | r --append | t --list |
    --test-label | u --update | x --extract --get [options] [pathname ...]
source manpages: tar