I have an old note named the same as this blog post: cat /dev/sdb > backup.img # make a disk image cat /dev/sdb > /dev/sdc # clone disk cat ~/D

I have an old note named the same as this blog post: cat /dev/sdb > backup.img # make a disk image cat /dev/sdb > /dev/sdc # clone disk cat ~/Downloads/* # play Russian roulette with your terminal cat > file # minimalistic text editor, ^D to exit saving, ^C to exit erasing the file cat << wq > file # nearly complete emulation of ed grep -r bongo . | cat # shorter than typing --color=never cat -v file # cause 20 points of damage to wizards of bell labs cat file > file # empty a file without removing the file cat meow meow > meows # duplicate file contents