Explore Cat Command in Linux

What is Cat command

Cat (concatenate) command is very frequently used in Linux. It reads data from the file and gives their content as output. 

cat command allows us to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files

# cat File

 it will show content of given filename

# cat File1 File2

It will show the content off file1 and file2 both

# cat > file

To create a new file.

# cat file1 > file2

It will copy the content of one file to another file.

# cat file1 >> file2 

It will append the content of file1 and file2

# tac file

It will display content in reverse order

# cat -E “file”

It will Highlight the end of line by ‘$’

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