Install SQLite3 in Ubuntu:

sudo apt-get install sqlite3 libsqlite3-dev

Use programm:

add ... [-task, -group, -target] - Add task/group/target.

rm [id] [-task, -group, -target] - Remove task/group/target.

disp [id] - Show task.

undisp [id] - Hide task.

rm [-task, -group, -target] - Remove ALL task/group/target.

[id] - start/pause.

[taskid] add [groupid] - Add task in group.

all - All task.

info - This message.

init - Create sqlite3 DB.

gr - Show groups.

tg - Show targets.

gr [groupid] - list task.