common commands in linux

pwd: know the directory in which you're located 

cd: change directories 
navigate to Desktop - cd ~/Desktop 
navigate to home directory - cd /
navigate up one level from the current directory - cd ..
navigate to multiple level of directory -  cd /var/www

ls: list the current directory content

mkdir [folder_name]: making new directory/folder

touch [file_name.txt]: create file with its type

cp: makes a copy of a file
cp file foo

mv: moves a file to a different location or renames a file
mv foo ~/Desktop
mv file foo - renames the original file to foo

rm: remove file
-rm: force remove file/folder

cat [file_name]: view text files

nano [file_name]: view & edit text files


chmod: changes the permissions on the files listed

chown: used to change the owner and group of files, directories and links