List from etcpasswd the uid and the user having the highest, Computer Engineering

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List from etcpasswd the uid and the user having the highest

Problem

1. List from /etc/passwd the UID and the user having the highest UID.

2. You have two files, foo1 and foo2, copied from /etc/passwd on two machines. Specify the steps needed to print a list of users who are

(i) present in foo1 but not in foo2,

(ii) present in foo2 and not in foo1,

(iii) present in both files.

3. Assuming that a user may be logged in more than once, how do you

(i) list only those users,

(ii) mail root a sorted list of all users currently logged in, where a user is listed only once?

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Computer Engineering: List from etcpasswd the uid and the user having the highest

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Computer Engineering: List from etcpasswd the uid and the user having the highest

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