** that can be useful before or after a period of disconnected operation.
**
** On Win32 systems, the file is named "_fossil" and is located in
** %LOCALAPPDATA%, %APPDATA% or %HOMEPATH%.
**
** Available operations are:
**
**    backup      Backup all repositories.  The argument must the name of
**                a directory into which all backup repositories are written.
**
**    cache       Manages the cache used for potentially expensive web
**                pages.  Any additional arguments are passed on verbatim
**                to the cache command.
**
**    changes     Shows all local checkouts that have uncommitted changes.
**                This operation has no additional options.
**

    g.argv[2] = "/";
    cmd_webserver();
    return;
  }
  if( strncmp(zCmd, "list", n)==0 || strncmp(zCmd,"ls",n)==0 ){
    zCmd = "list";
    useCheckouts = find_option("ckout","c",0)!=0;
  }else if( strncmp(zCmd, "backup", n)==0 ){
    char *zDest;
    zCmd = "backup -R";
    collect_argument(&extra, "overwrite",0);
    if( g.argc!=4 ) usage("backup DIRECTORY");
    zDest = g.argv[3];
    if( file_isdir(zDest, ExtFILE)!=1 ){
      fossil_fatal("argument to \"fossil all backup\" must be a directory");
    }
    blob_appendf(&extra, " %$", zDest);
  }else if( strncmp(zCmd, "clean", n)==0 ){
    zCmd = "clean --chdir";
    collect_argument(&extra, "allckouts",0);
    collect_argument_value(&extra, "case-sensitive");
    collect_argument_value(&extra, "clean");
    collect_argument(&extra, "dirsonly",0);
    collect_argument(&extra, "disable-undo",0);