File Commands in Linux
cat (Concatenate a file)
cat stands for Concatenate.
It is the command that is used to concatenate (read and adds) and print the contents of a file.
The cat utility reads files sequentially, writing them to the standard output (terminal).
You can also use the
cat command to create a file.
To create a file, follow the steps as listed below.
We are going to create a file called
cat > edu_quote.txtand press Enter.
- Now type
Education is the most powerful weapon you can use to change the world. - Mark Twain
Ctrl + Zif you are using a Windows machine or
Cmd + Zif you are using a Mac machine
cat > edu_quote.txt command does is, it reads (or concatenates) the contents (in this case the quote that you typed in) and writes (>) it into a file called
To read the contents of a file and print it to the terminal, you can use the
cat edu_quotes.txt (this time without the
> sign between the word cat and edu_quotes.txt)
You should see the quote that you typed in displayed on the screen.
cat command is used extensively in reading and managing files in Linux.