gladx

sudo passwd username 
------------------- hardware info
 Battery Info
	 upower -i /org/freedesktop/UPower/devices/battery_BAT0
	 acpi -V 

less a.txt  less is show text file faster than vim or more
more a.txt text editor ?
------------------
how copy folder with content

gladx

<?php
// http://ascii-table.com/ansi-escape-sequences.php
// http://ascii-table.com/ansi-escape-sequences-vt-100.php

// "\033[?25l" Hide the cursor. 
// "\033[?25h" Show the cursor. 
// "\033[K"  Delete everything from the cursor to the end of the line. 


// echo '1-Start Line', "\n";

gladx

<?php
// http://jeffreysambells.com/2012/10/25/human-readable-filesize-php + some edit
// https://gist.github.com/liunian/9338301 
function human_filesize($bytes, $decimals = 2)
{
    if ($bytes < 1024) {
        return $bytes . ' B';
    }

    $factor = floor(log($bytes, 1024));