This part is note written while watching [OJ Tube C Tuturial](https://www.youtube.com/playlist?list=PLz--ENLG_8TMdMJIwyqDIpcEOysvNoonf [C언어 강의]개발자의 로망 - 리눅스 기반 C언어).
# help
man ls
# return file content
cat file.txt
# list out details
ls -l
# create new dir
mkdir acme
# Ubuntu app store
apt-get update
apt-get install gcc
# show the ASCII hex code of a file
xxd helloworld.c
Command mode: ESC -> :
:wSave:qQuit:q!Quit without saving:wqSave then Quit
wget https://getcomposer.org/installer
php installer
composer --version(Composer commands see #Composer)
- Download (Please change Nodejs version as your need)
wget https://nodejs.org/dist/v20.11.1/node-v20.11.1-linux-x64.tar.gz
tar xvzf node-v20.11.1-linux-x64.tar.gz
mv node-v20.11.1-linux-x64 nodejs- Move bin file
mkdir ~/bin
cp nodejs/bin/node ~/bin- Link
cd ~/bin
ln -s ../nodejs/lib/node_modules/npm/bin/npm-cli.js npm- Test command
node --version- Enable
npm
cd ~/bin
ln -s ../nodejs/bin/npm npm
npm --version