cat is a very simple but versatile file display and file creator which is also handy for displaying control characters. When using cat be warned that it will not pause between page breaks; it literally displays the whole file in one go. If you need to see a file a page at a time then use ‘more’ or pipe the output from cat through to another pager, like this:
$ cat myfile | more
$ cat myfile | pg
The general format is:
cat [options] filename1...filename2...
cat ’s most useful option is:
|-v||Display control characters.|
To display a file called myfile:
$ cat myfile
To display three files called myfile1, myfile2 and myfile3:
$ cat myfile1 myfile2 myfile3
To create a file called bigfile that contains the contents of the files ...