(Remember: all user's selections and edits go in "${dir_tmp}/${file_tmp}" temp file...)

    message :

>message "This is a \n message"

       ok_message :

>ok_message "This is an \n ok_message"

    alert_message:

>alert_message "This is an \n alert_message"

   text :

>cat /home/cagnettav/Simple-Man_Lynyrd-Skynyrd.txt | text

   question :

>question "Do you like this question?"

    input :

>input 3 "Username" "root"    "IP address" "192.168.0.1"    "Destination directory" "/tmp"

    menu :

>menu "Heavy metal" "Rock and Roll" "Country" "Blues" "Pop" "Folk" "Classical"

    list :

>list +"Heavy metal" -"Rock and Roll" +"Country" +"Blues" -"Pop" -"Folk" +"Classical"

    fselect :

>fselect && file_choice="$(0< "${file_tmp}/${dir_tmp}" )"

  dselect:

>dselect && directory_choice="$(0< "${file_tmp}/${dir_tmp}" )"

  wait_seconds & wait_for :

>wait_for "Please wait..." ; updatedb ; terminate_wait_for

  progress :

>for i in 10 20 30 40 50 60 70 80 90 100 ; do echo "${i}" && sleep 2 ; done | progress "This is a test progress..."

>for i in 10 20 30 40 50 60 70 80 90 100 ; do echo "PROGRESS" && sleep 2 ; done | progress "This is a test progress..."  "10"

  adjust :

>adjust "Please, set Volume level" "15" "40" "75"