command: cat usage: concatenate files and print on the standard output syntax: cat [OPTION]... [FILE]... examples: 1. To display options and help for this command $ cat --help 2. To create a new file $ cat > sample1.txt 3. To append data into the file $ cat >> sample1.txt 4. To display a file $ cat sample1.txt 5. To concatenate several files and display $ cat sample1.txt sample2.txt 6. To concatenate several files and to transfer the output to another file $ cat sample1.txt sample2.txt > sample3.txt regards, dhanasekar