Here is a list that contains one of the most used Linux commands, and a short explanation for them:
ls – list – lists files and directories, can be used with a lot of options like: -a, -R, -l, -g, -r;
pwd – print working directory – shows the path of the current directory;
ifconfig – interface configuration – used to view and change the configuration of the network;
cd – change directory – used to change the current working directory;
df – disk free – must be used with -h opt...