What is SSH? SSH (Secure Shell) is a protocol (like HTTP or FTP) that lets us connect to a remote server. After connecting to a remote server via SSH, all the commands that we run on the terminal get executed on the remote server. When we connect to a server via SSH, we always log … Read more

The wc Command

wc command

The wc command is a simple Linux command. It stands for “word count” and it can be used to show the number of lines and words in a file.

The grep Command

grep command

The grep command is one of the most useful commands in Linux command line. It can search for a pattern in a file or in the standard input.