[생활코딩] POSIX CLI 명령어

생활코딩 POSIX CLI 강의 요약

Git 다운로드 : https://git-scm.com/download/win

명령어 모음과 예제

• pwd :print working directory
• / : root directory
• ~ : Home directory
• cd : change directory
• .. : parent directory
• ./ : current direcory
• mkdir : make directory
• clear : clear console

 

• --help : simple manual for Window OS

ls --help

 

 

• man command : manual for Mac OS

man ls

 

 

• nano : text editor
• touch : make empty file
• .filename : hidden file

touch .hiddenfile.txt

 

 

• mv : move (rename)

# rename dummy to dummy2
mv dummy dummy2

 

 

• rm : remove file
• rm -r : remove directory / option r = recursive
• ../ parent directory (relative path)
• cat : print

cat filename.txt

 

 

• ls -l : list in long format
• ls -a : show all files
• ls -R : show inside directory
• ; : command seperator

mkdir dummy; cd dummy ; touch hello.txt ; cd ..; ls -R
.:
dummy/  hello.txt  showfile.txt

./dummy:
hello.txt

 

 

• && : and operator

# If any of the &&-linked commands fails, the command does not run after command seperator(;)
# show parent directory file
mkdir dummy && cd dum && touch hello.txt && cd ..; ls -R

mkdir dummy && cd dum && touch hello.txt && cd ..; ls -R
mkdir: cannot create directory ‘dummy’: File exists

 

• package == program
• package manager ; apt-get, yum, homebrew, chocolatey