Command Line in Mac/Linux

读写代码、注意细节、发现差异

坚持每天练习是一件非常重要的事。

pwd： print working directory

hostname： my computer’s network name

// mkdir -p will make an entire path even if all the directories don’t exist.

mkdir： make directory

cd：change directory

// ls something

// “/” like ls something/ will make sure the directory is exist or get an error.

ls：list directory

// wrong with Directory not empty in Mac, try with “rm -rf”

// be careful when running recursive remove on files.

rmdir ：remove directory

rm：remove file

//

pushed：push directory

popd：pop directory

touch: make empty files

// cp ~/MyDocument ~/Desktop/MyDocument

// cp -r something newthing

cp：copy a file or directory

mv：move a file or directory

less：page through a file

cat：print the whole file

xargs：execute arguments

find：find files

grep：find things inside files

man：read a manual page

apropos：find what man page is appropriate

env：look at your environment

echo：print some arguments

export：export/set a new environment variable

exit：exit the shell

sudo：DANGER! become super user root DANGER!

From Command line crash course

http://learnpythonthehardway.org/book/appendixa.html