Introduction

It will be a memo for learning.

Linux is simply

It is one of the same OS types as. The OS is the software that manages all the hardware of your computer.

Linux is an OS mainly used for servers.

command	Explanation	Example of use	option
cd	Move directory (folder)	cd move folder name
ls	Display the contents of a folder in list format	Go to the target folder and ls	-a System file display-l long format-d Display only specified directory information
mv	Move files	mv move source move destination
cp	Copy files and folders	cd move source move destination	-i interactive mode-Preserve p file attributes-R whole copy-v View the copied file name
clear	Clean the screen without erasing
mkdir	Create a folder	mkdir name	-p Create nested folders at once
touch	Create a file	touch name
rmdir	Delete empty files	rmdir name
rm	Delete files and folders	rm name	-r Delete the directory and all files in the directory. No confirmation
pwd	Display your current location
find	Search for files	find / -name name
cat	View the contents of the file	cat file name	-n line count display
diff	Show the difference between a file and the contents of a file	diff old name new name
grep	Extract the line if the specified string exists in the text	grep "The character you want to search" *file name
chmod	Change file and folder permissions	chmod permission file name
chown	Change the owner or group of a file or folder	chown Username you want to change Filename you want to change
history	View command history
ln	Set links to files and folders	ln Link source Link destination
man	View the command manual	man command
apropos	Search man page content	apropos keyword
less	Browse text files	less file name
more	Browse files page by page	more file name