cat
The cat utility provided as a psh applet can be used to concatenate files and print their content to standard
output.
If used with -h parameter it prints the help message with possible arguments and parameters as follows:
Usage: cat [options] [files]
-h: shows this help message
To print a file using cat the filename must be specified as an argument. Following command:
cat file1 file2
The command above will concatenate and print files file1 and file2 (in that order) to standard output.