command -v vim >/dev/null 2>&1 || { echo >&2 "WARNING: vim isn't installed!"; } command -v most >/dev/null 2>&1 || { echo >&2 "WARNING: most isn't installed!"; } command -v htop >/dev/null 2>&1 || { echo >&2 "WARNING: htop isn't installed!"; } command -v youtube-dl >/dev/null 2>&1 || { echo >&2 "WARNING: youtube-dl isn't installed!"; } command -v nping >/dev/null 2>&1 || { echo >&2 "WARNING: nping isn't installed!"; } command -v aptitude >/dev/null 2>&1 || { echo >&2 "WARNING: aptitude isn't installed!"; } command -v gpg2 >/dev/null 2>&1 || { echo >&2 "WARNING: gnupg2 isn't installed!"; } command -v lynx >/dev/null 2>&1 || { echo >&2 "WARNING: lynx isn't installed!"; }