shell

https://www.linuxcommand.org/index.php

mysql --silent --skip-column-names --execute "select concat('\'',User,'\'@\'',Host,'\'') as User from mysql.user" | sort | \
while read u
do echo "-- $u"; mysql --silent --skip-column-names --execute "show grants for $u" | sed 's/$/;/'
done
https://dba.stackexchange.com/questions/23265/mysql-show-grants-for-all…

!!:gs/oldstring/newstring/


http://stackoverflow.com/questions/16292556/command-line-replace-string…

para parar um trabalho na consola:
CTRL-Z

ao sair da consola o aviso "There are stopped jobs." indica-nos a existência de trabalhos suspensos.

executar o comando "jobs" para visualizar os trabalhos suspensos e "fg" para os chamar ao foreground.

http://www.oit.uci.edu/help/manuals/uci.unix.guide/getting_started/usin…

na versão mais recente:
killall -SIGQUIT gnome-shell
https://askubuntu.com/questions/100226/how-to-restart-gnome-shell-from-…

XDG_SESSION_TYPE=x11 DISPLAY= gnome-shell --display :0 --replace&
http://community.linuxmint.com/tutorial/view/641