tokens: If it does not , then still the grep service_name remains which fulfills the kill criteria ( has service_name in its cmd line ) - for fixed strings in grep I usually write them grep "s[e]rvice_name" , other prefer to put another |grep -v grep into the pipe before the awk
ner_tags: O O O O O O O O B-Code_Block I-Code_Block O O O O O O O O B-Code_Block O O B-Application O O O O O B-Data_Type O B-Code_Block O O O O B-Code_Block I-Code_Block O O O O O O B-Code_Block I-Code_Block I-Code_Block O O O O O B-Language