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
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