Old boy Education daily-125th day-show file Oldboy.txt line 20th to 30 lines how do I do that?

Show file Oldboy.txt Line 20th to line 30 How do I do that?

Echo Stu{00..40}|xargs-n1 >oldboy.txt

1. head-30 oldboy.txt|tail-112.    Sed-n ' 20,30p ' oldboy.txt3.    Sed-n ' 20,30!d ' OLDBOY.TXT4.    awk ' nr==20,nr==30 ' Oldboy.txt5.    awk ' nr>=20 && nr<=30 ' Oldboy.txt6.    Grep-n "" Oldboy.txt |grep-a 10 "^20:" 7.    Grep-n "" Oldboy.txt |grep-b 10 "^30:" 8. Grep-n "" Oldboy.txt |grep-c 5 "^25:"

Note

Today is the 125th Day of the day to accompany you and look forward to your progress .

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Old boy Education daily-125th day-show file Oldboy.txt line 20th to 30 lines how do I do that?