Transform hexadecimal information to binary using a Linux command

Question

I have this binary file on my Linux system...

 udit@udit-Dabba ~ $ cat file.enc
 Salted__s�bO��<0�F���Jw!���]�:`C�LKȆ�l

Using the hexdump

Answer 1

As @user786653 suggested, use the xxd(1) program:

xxd -r -p input.txt output.bin