2017年3月14日 · abc bdbdndnvd hddh hcjdhjc dgdgd ghcdggcd abc hjdhcj abc ghdsgcgdc cdghcgd dhgch hshhj hcdhchd hdjchjd Output: abc only interested in repeated word in whole file at starting only. If that word anywhere else should not be counted.i.e. In above example abc is repeated twice. Can anyone suggest me how can I do this using command ?