Guillermo Barreiro gbarreiro

## provincias_españa.csv

          
            provincia
            iso
            comunidad autónoma

            
              A CORUÑA
              C
              Galicia

            
              ALBACETE
              AB
              Castilla-La Mancha

            
              ALICANTE
              A
              Comunidad Valenciana

            
              ALMERIA
              AL
              Andalucía

            
              ARABA/ALAVA
              VI
              País Vasco

            
              ASTURIAS
              O
              Asturias

            
              AVILA
              AV
              Castilla y León

            
              BADAJOZ
              BA
              Extremadura

            
              BARCELONA
              B
              Cataluña

## bash_cheatsheet_path.sh
export PATH=$PATH:/home/john/myprogram # add the directory /home/john/myprogram to the path

which nano # shows where is the executable of "nano" located
whereis nano # shows where are the executable, manuals, source code, etc. of "nano"

## bash_cheatsheet_alias.sh
alias clone_my_repo = "git clone http://verylongurl.com" # create an alias

## bash_cheatsheet_variables.sh
echo "hello" # prints hello in the console
echo $USER # prints the value of the variable USER in the console

env # prints all the environment variables
set # prints all the local variables

MY_FRIENDS=William # create a local variable called MY_FRIENDS
MY_FRIENDS=$MY_FRIENDS:John:Anna # concatenate values 'John' and 'Anna' to MY_FRIENDS
export MY_FRIENDS # makes local variable MY_FRIENDS an environment one
unset MY_FRIENDS # deletes the variable MY_FRIENDS

## bash_cheatsheet_pipes.sh
a | b # pipe: inject a command output into b command input
a > file.txt # save output of command a into file.txt (overwrite)
a >> file.txt # save output of command a into file.txt (append)
echo "Hello!" | xargs echo # injects the output of the first command as an argument of the second command

## bash_cheatsheet_change_users.sh
su # change current user to root
su - # change current user and local variables to root
su maria # change current user to "maria"
sudo nano # runs command "nano" as root user

## bash_cheatsheet_running_processes.sh
ps # shows the processes running right now on this terminal session
ps aux # shows all the processes running on the computer
htop # display an activity monitor in the terminal

## bash_cheatsheet_system_info.sh
uname -a # shows info about the system (kernel, architecture...)
sudo lshw # (only Linux) list all the hardware components
sudo lshw -short # (only Linux) list a summary table with the hardware components
lscpu # (only Linux) show information about the CPU
lsusb # (only Linux) list the plugged USB devices
date # print the current date and time

## bash_cheatsheet_clipboard.sh
# Linux
echo "Hello my friend!" | xclip # copy "Hello my friend!" to the clipboard
xclip -o >> pasted_text.txt # paste the content of the clipboard into a text file

# macOS
echo "Hello my friend!" | pbcopy # copy "Hello my friend!" to the clipboard
pbpaste >> pasted_text.txt # paste the content of the clipboard into a text file

## bash_cheatsheet_clear.sh
clear # cleans the console
provincia	iso	comunidad autónoma
A CORUÑA	C	Galicia
ALBACETE	AB	Castilla-La Mancha
ALICANTE	A	Comunidad Valenciana
ALMERIA	AL	Andalucía
ARABA/ALAVA	VI	País Vasco
ASTURIAS	O	Asturias
AVILA	AV	Castilla y León
BADAJOZ	BA	Extremadura
BARCELONA	B	Cataluña
	export PATH=$PATH:/home/john/myprogram # add the directory /home/john/myprogram to the path

	which nano # shows where is the executable of "nano" located
	whereis nano # shows where are the executable, manuals, source code, etc. of "nano"
	echo "hello" # prints hello in the console
	echo $USER # prints the value of the variable USER in the console

	env # prints all the environment variables
	set # prints all the local variables

	MY_FRIENDS=William # create a local variable called MY_FRIENDS
	MY_FRIENDS=$MY_FRIENDS:John:Anna # concatenate values 'John' and 'Anna' to MY_FRIENDS
	export MY_FRIENDS # makes local variable MY_FRIENDS an environment one
	unset MY_FRIENDS # deletes the variable MY_FRIENDS
	a \| b # pipe: inject a command output into b command input
	a > file.txt # save output of command a into file.txt (overwrite)
	a >> file.txt # save output of command a into file.txt (append)
	echo "Hello!" \| xargs echo # injects the output of the first command as an argument of the second command
	su # change current user to root
	su - # change current user and local variables to root
	su maria # change current user to "maria"
	sudo nano # runs command "nano" as root user
	ps # shows the processes running right now on this terminal session
	ps aux # shows all the processes running on the computer
	htop # display an activity monitor in the terminal
	uname -a # shows info about the system (kernel, architecture...)
	sudo lshw # (only Linux) list all the hardware components
	sudo lshw -short # (only Linux) list a summary table with the hardware components
	lscpu # (only Linux) show information about the CPU
	lsusb # (only Linux) list the plugged USB devices
	date # print the current date and time
	# Linux
	echo "Hello my friend!" \| xclip # copy "Hello my friend!" to the clipboard
	xclip -o >> pasted_text.txt # paste the content of the clipboard into a text file

	# macOS
	echo "Hello my friend!" \| pbcopy # copy "Hello my friend!" to the clipboard
	pbpaste >> pasted_text.txt # paste the content of the clipboard into a text file