Randomly pick one of the following commands:
sed -i 's!#.*$!!g;/^\s*$/d' file.txt
Find all files in the root directory containing the string 'Foo' and print their names
Display the manual page for the 'nc' command using the 'cat' pager
Convert the video file 'video.mp4' to the AVI format and save it as 'output.avi'
shuf -n 1 <(echo -e "sed -i 's!#.*$!!g;/^\s*$/d' file.txt\nfind / -type f -exec grep -l 'Foo' {} +\nman -P cat $(command -v nc)\navconv -i video.mp4 output.avi")