10215501411
/
Computer-Systems-Labs


								#1

								for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 1.txt

								sort -d 1.txt | uniq

								sort -n 1.txt | uniq

								sort -d 1.txt | uniq > 1_uniq_by_asc.txt

								sort -n 1.txt | uniq > 1_uniq_by_num.txt

								cat 1_uniq_by_asc.txt | uniq >> 1_uniq_total.txt

								cat 1_uniq_by_num.txt | uniq >> 1_uniq_total.txt


								#2

								for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt

								grep 'computer' 2.txt

								grep -o 'computer' 2.txt | wc -l