$ ps ax | grep Telegram
71201 ? Sl 0:09 /home/user/Downloads/Telegram/Telegram -workdir /home/user/.local/share/TelegramDesktop/ --
71521 pts/4 S+ 0:00 grep --color=auto Telegram
$ ls /home/user/.local/share/TelegramDesktop/
log.txt tdata
wget https://telegram.org/dl/desktop/linux -O /tmp/telega.tar.xz; sudo tar -xpf /tmp/telega.tar.xz -C /opt; sudo ln -s /opt/Telegram/Telegram /usr/local/bin/telegram-desktop; sudo chmod -R $USER:$USER /opt/Telegram; telegram-desktop & exit