Linux lab questions

Question

3)      Write the awk command that would show the user (or yourself) that is online (you have to use a pipe)

Output, depending on the system, would be similar to:

user pts/37  10.32.9.93      13:58   1.00s 0.15s 0.10s w

YOUR AWK COMMAND:

(10 points hard one) -

4)      finger or who the users on our system that have the letter r in their first name, or last name, but nowhere else. Note also that the r can be r or R. Note that your output will be a bit different

note: the letter r or R has to appear either in their first name or last name only, not on the name of the machine that they are using if it happen to have r in it.

YOUR AWK COMMAND:

5)      (3 points - easy)

from the file called winelist extract a list of wines that cost less than $7.00

output (it may be different depending the time you do it):

1977   6.99   Franciscan

1977   6.75   Alexander Valley

1977   5.99   Charles Krug

YOUR AWK COMMAND:

Answer 1

Problem 3:

w | grep $(whoami) | awk '{ print $1, $2, $3, $4, $5, $6, $7 }'

Problem 4:

who | awk '$1~/[rR]/ {print}'

Problem 5:

cat winelist | awk '$2 < 7.0 {print}'