tldr/pages/common/cat.md

cat

Print and concatenate files. More information: https://www.gnu.org/software/coreutils/cat.

• Print the contents of a file to the standard output:

cat {{file}}

• Concatenate several files into the target file:

cat {{file1}} {{file2}} > {{target_file}}

• Append several files into the target file:

cat {{file1}} {{file2}} >> {{target_file}}

• Number all output lines:

cat -n {{file}}

• Display non-printable and whitespace characters (with M- prefix if non-ASCII):

cat -v -t -e {{file}}