3 Output of entire files

These commands read and write entire files, possibly transforming them in some way.

cat invocation    Concatenate and write files.
tac invocation    Concatenate and write files in reverse.
nl invocation    Number lines and write files.
od invocation    Write files in octal or other formats.
base32 invocation    Transform data into printable data.
base64 invocation    Transform data into printable data.
basenc invocation    Transform data into printable data.