pupular-terminal-command.sh

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 ?
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how copy folder with content
cp -R copy folder with sub folder and files
cp -v veiw proccess

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[ls]
ls : list of file
-a all with . & .. 
-l print the author of each file
-b print name withe nongraphic characters
-h  with -l list human readable size
-X sort by alphbatically 
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my 
youtube-dl -a list2 -g |grep "" >down
-a bach file
-g link download
|gerp output formating
"" pattern
>down  file save info from gerp

youtube-dl -f bestvideo+bestaudio "link to youtube video"

youtube-dl -f 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio' --merge-output-format mp4 "link to youtube video"

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export https_proxy='http://localhost:8080'
set proxy 
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[find]
find : find file 
find /home/ -name "*.mp3"
find /home/ -mame "*file_name*"
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[ls tab ]
lsusb  list of usb
lspci list of pci device
lshw list hardware
lsblk - list block devices

ls list 
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sudo   
sudo : run root user command
-s chenge user to super user
exit exit from super user
exit exit from terminal
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run background app 
$ firefox &
back ro for ground 
jobs veiw app background
fg %1
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math calculate
echo $[5*6]
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uptime 
w
top : list of process
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sudo service mysql start
sudo service mysql stop
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show ascii code 
showkey -a
exit ctrl-d
Quastion : ctrl-Enter 10  
		Enter 13 why?
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how to create zip file of folder?
 Create archive.tar from files foo and bar.
           tar -cf archive.tar foo bar
     List all files in archive.tar verbosely.
           tar -tvf archive.tar
     Extract all files from archive.tar.
           tar -xf archive.tar

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convert File*.jpg All.pdf