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Annotation of 42BSD/usr.lib/learn/files/L3.1a, revision 1.1

1.1     ! root        1: #print
        !             2: The "cat" command prints the contents of one or more files.
        !             3: In fact, it is named "cat" as an abbreviation
        !             4: for "concatenate".  To print the files named "dog"
        !             5: and "mouse" in succession, you could type either
        !             6:   cat dog
        !             7:   cat mouse
        !             8: or just
        !             9:   cat dog mouse
        !            10: If you print them with one command,
        !            11: the contents are printed in sequence with nothing
        !            12: between them.
        !            13: 
        !            14: How many lines are there in all the files
        !            15: whose names begin with "b"?  Find out, then type
        !            16: "answer N" where N is the total number of lines.
        !            17: #create ben
        !            18: the file ben has
        !            19: a total of three
        !            20: short lines.
        !            21: #create bernie
        !            22: this file has
        !            23: two lines.
        !            24: #create bruce
        !            25: only one line here.
        !            26: #copyin
        !            27: #user
        !            28: #uncopyin
        !            29: #match 6
        !            30: #log
        !            31: #next
        !            32: 4.1a  10
        !            33: 4.2a    5
        !            34: 4.3a    2

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