Write a grep (or grep) command that selects the lines from
a file that have exactly three characters.
Answer Posted / usama el far
grep -n root /etc/passwd|cut -f1 -d:
| Is This Answer Correct ? | 6 Yes | 1 No |
Post New Answer View All Answers
What is the nmap command?
What is pipe command in unix?
What does the “echo” command do?
Why is shebang used?
How do you grep a case insensitive?
What is the first character of the output in ls l command?
Differentiate cat command from more command.
Why is awk called awk?
What does the command '$ls | wc –l > file1' do?
Explain command to display different lines that are found when compare two files?
What is time_t?
Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.
What are the differences among a system call, a library function, and a unix command?
What does find command return in unix?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?