cat - concatenate files and print on the standard output
example:
To display contents of file
$ cat /etc/group
To view contents of multiple files
$ cat file3.txt file4.txt
To create a file with cat command
$ cat > file5.txt
this is file 5
^C
To view cat command with large file size
$ cat file.txt | more
$ cat file.txt | less
To display $ at the end of each Line using cat
$ cat -E file1.txt
To display line numbers in file
$ cat -n number.txt
To display multiple files
$ cat file1.txt; cat file2.txt; cat file3.txt
To redirect the standard output of a file into a new file
$ cat file1 > file2
To append in existing file
$ cat file1 >> file2
To redirect all output files to a new single file
$ cat file3.txt file4.txt file5.txt > file6.txt
regards,
T.Dhanasekar
