Common Linux commands:

Common Linux commands:

* Use ("/quotation mark) before and after filename or directory name if there space is added *

To make a directory:
mkdir (Stands for make directory)
e.g.: mkdir [DIRECTORY_NAME]

To change or navigate the directory:
cd (Stands for change directory)
e.g.: cd [DIRECTORY_NAME]

To go back to the previous directory:
cd..

To list the content of the current directory:
ls (Stands for list)

To list the content of the current directory (In detail):
ls -l

To rename a file or a directory:
rename [OLD_FILENAME.FILETYPE_EXTENSION] [NEW_FILENAME.FILETYPE_EXTENSION]

To remove a file or a directory:
rm (Stands for remove)
e.g.: rm [FILENAME_OR_DIRECTORY_NAME]

To present or open any text type or text-contained file:
cat [FILENAME.FILETYPE_EXTENSION_OR_PATH]

To edit or open any text type or text-contained file:
nano [FILENAME.FILETYPE_EXTENSION_OR_PATH]

Some nano commands:
1) CTRL+O (For saving/writing out)
2) Enter key (To save the filename with their filetype extension)
3) CTRL+X (To exit)

To copy any file or directory:
cp (Stands for copy)
e.g.: cp [FILENAME.FILETYPE_EXTENSION_OR_WITH_OLD_PATH] [NEW_PATH_OR_DESTINATION]

To move/cut any file or directory:
mv (Stands for move)
e.g.: mv [FILENAME.FILETYPE_EXTENSION_OR_WITH_OLD_PATH] [NEW_PATH_OR_DESTINATION]

To see entire directories as tree:
cd /
tree

To clear the terminal screen:
clear

To exit or exit from the root/admin user mode:
exit

To enter into the root/admin user mode:
sudo su
Then enter the password if there is

To present current date:
date

To present current time:
time

To execute any program file:
./[FILENAME.FILETYPE_EXTENSION_OR_PATH]

To change password in Linux:
sudo passwd
1) Enter your old password and press enter
2) Type a new password and press enter (minimum 8 letters or 8 numbers or 8 special characters or a sequence of that characters are allowed)
3) Retype new password and press enter
4) Then reboot your system to make changes everywhere

To reboot system:
reboot

To shutdown:
poweroff