Tag Archives: Command Line

Notes on “Learn The Command Line” – a Codecademy course

Links

Navigating The File System

pwd print working directory – outputs the name of the current working directory
ls lists all files and directories in the working directory
ls -a lists all contents, including hidden files and directories
ls -l lists all contents of a directory in long format
ls -t order files and directories by the time they were last modified
ls -alt (example of using 3 options at once) lists all contents, including hidden files and directories, in long format, ordered by the date and time they were last modified
cd change directory – switches you into the directory you specify eg. cd ben/docs/
cd .. move up one directory
cd ../ .. move up two directories
mkdir make directory – creates a new directory in the working directory eg. mkdir docs
touch creates a new file inside the working directory eg. touch readme.txt or touch docs/readme.txt
cp frida.txt lincoln.txt copy the contents of frida.txt into lincoln.txt
cp biopic/ray.txt biopic/notorious.txt historical/ copy the files biopic/ray.txt and biopic/notorious.txt into the historical/ directory

Keyboard Shortcuts

up and down arrow keys allows you to go through all the previous commands
tab key helps you autocomplete commands and names