Question

Using linux

Write one-line New Tab ands that determine and print the following desired output: 1. The total word count in files file1.txt, file2.txt, and file3.txt combined (assume the three files exist in the current directory) 2. How many user accounts are not allowed to log in to the system. You need to calculate the number of users in file /etc/passwd that include /nologin on their line. 3. The name of the 6 largest files in/usr/bin , while suppressing any errors

Answer 1

1)
find ./ -type f -name "file*" -exec wc -w {} +

2)

3)
$ cd /usr/bin
$ du -hsx * | sort -rh | head -6