cd in linux

C++
// change directory in terminal
cd folder_name/subfolder_name

// go up one directory level
cd ..

// back to previous directory
cd -

// return to home directory
cd/* File & Directory Commands
To navigate into the root directory, use */ "cd /" /*
To navigate to your home directory, use */ "cd" /*or*/ "cd ~" /*
To navigate up one directory level, use*/ "cd .." /*
To navigate to the previous directory (or back), use */ "cd -"cd ..we use cd to go from file to file 
Source

Also in C++: