CAT Command

 CAT : Commands


Displaying the lines numbers of each line in a file.

cat -n <file_name>  -- this will display customer data.

creating a file using cat 

Creating a file

cat > file_name.txt

--copy paste the contents of the file here.

and control + c to come out and the file is created 


Merge multiple file and create a new file 

cat <file_name_1> <file_name_2 >  new_file.txt

Copy content of  a file into a new file in append mode

cat <file_name_1> <file_name_2>  >> newfileappended.txt

showing the file in reverse order - command is reverse of "cat" > "tac"

Line numbers in front of each line .

cat -n <file_name>

Skip blank lines from a file use -b flag

cat  -n -b  <file_name>

check a file in reverse order 

tac <file_name>


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