history.ix, index_a.ix, index_d_1.ix, index_di_1.ix, index_i_2.ix,
index_k_2.ix, index_kl_1.ix, index_klh_2.ix, index_n.ix,
index_r_l.ix, index_sv.ix, index_v.ix, index_v_ix.log, indexlog.dat.
This index files are created in my hidden folder. Now, my problem is,
1) Is this files associated with Full Text Search.
2) when the file will be created.
3) For what purpose, this files are stored.