Long/interesting command you'd like bookmarked for later? append 'BK' to save it to the $bookmarks file. Add this to ie .zshrc
bookmarks='~/bookmarks.cmdline.sh'
alias -g BK='>> $bookmarks && wc -l $bookmarks'
Usage
echo NotInteresting BK
git log --oneline | nl -v0 | sed 's/^ \+/&HEAD~/' BK