Basic Commands

pwd
ls
cd
mkdir % creat a folder or a directory
rmdir % delete an empty directory
rm % delete files and directories
touch % create a file
man < commandName > % show the manual page of the command
< commandName > --help
cp fileDir/fileName newFileDir
mv fileDir/fileName newFileDir[/newfileName] % could be used to rename file:
mv file1.txt file2.txt
locate [-i] fileName % find the location of a file, [ignoring the case]

Intermediate Commands

echo %move some data, usually text into a file.
echo textContent>>fileName.fileType
cat % display the contents of a file
nano, vi, jed % installed text editors in Linux
sudo/su % Super User Do
df [-m] % disk space availabe on each partition [in megabytes]
tar % to work zith tarballs or files compressed in a tarball archive
tar [-cvf] % creating .tar file tar [-xvf] % untar a tar archive tar [-tvf] % list the contents of the archive
zip, unzip
apt % to work with packages in the Linux command line apt-get install packageName apt-get update % update the package in your repository apt-get upgrade % upgrade the system
chmod % make a file exectutable and change the permissions granted to it in Linux % instead of running python numbers.py, you run: [sudo] chmod +x numbers.py