Which Unix command is used for counting words, lines, and characters in a file?

Unix - Quiz(MCQ)

diff

man

count

Correct Answer : wc

Explanation : UNIX provides a universal word counting program that allows us to count the number of words, lines and characters in a file. It takes a filename as an argument as produces a 4 column output.

$ wc file01
3   9   45  file01â€‹

Above output indicates that file01 contains 3 lines, 9 words and 45 characters.

Recently Updated in Unix Questions

Which command is used for acquiring superuser status?

super

admn

Correct Answer : su

Explanation : Any user can acquire the status of superuser by using the su command. The only condition that needs to be fulfilled here is, he/she must be aware of the root password. For example,

$ su
Password: *****        //root’s password
#pwd
/home/abd             //prompt changes ( super user mode)â€‹

Which command is used to find out the consumption of a specific directory?

mem

Correct Answer : du

Explanation : Sometimes, we may need to find out the consumption of a specific directory rather than an entire file system. For this purpose, du command is used. This command reports usage by recursive examination of the directory structure.

To run the script, we should make it executable first by using _____

chmod +r

chmod +w

chmod +x

chmod +rwx

Correct Answer : chmod +x

Explanation : Before we run the script, it is essential to make the script executable first. After that invoke the script name to run the script. For making the script executable, we have to use chmod +x script_name.