Tar/UnTar file and directory

#Tar file
tar -cvf file.tar myfile.txt

#Tar directory 
tar -cvf home.tar directory/

#UnTar tar file 
tar -xvf myfile.tar

#UnTar tar.gz file 
tar -xvzf myfile.tar.gz

#UnTar tar directory 
tar -xvf myfile.tar

#UnTar tar.gz directory 
tar -xvzf myfile.tar.gz

Copy file scp

#Copy file
scp localFile user@host:/.../remoteFile

#Copy directory 
scp -r localDir user@host:/remoteDir