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1.1 root 1: #print
2: You can also use "-" in addresses. For example,
3: the line before the current line is line ".-1"
4: and can be printed with ".-1p" or even just ".-1".
5: How would you print the line two lines before the current
6: line? Type "answer COMMAND" where COMMAND is
7: the command you would type to print that line.
8: #copyin
9: #user
10: #uncopyin
11: #match .-2p
12: #match .-2
13: #match -2
14: #match --
15: #log
16: #next
17: 9.1a 10
18: 9.2a 5
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