Basic Terminal Commands
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A list of commonly used commands:
sudo- Stands for SuperUser Do. One of the most powerful commands in linux, helps you run other commands with elevated privileges or in other words allow a user with proper permissions to execute a command as another user, such as the superuser.
ls- Stands for “list files” and will list all the files in your current directory.
pwd- Means “print working directory” and will tell you the exact working directory you are currently in.
cd <path>- change the directory to path.
mkdir <dir-name>- Use the mkdir command when you need to create a folder or a directory.
tree <path>(need to be installed) - display files and directories as a tree structure.
rm <filename>("-rf" danger!!!) - removes a file. -r flag removes all files in a directory.
apt- Use apt to work with packages in the Linux command line. Use
apt-getto install packages
lspci- prints ("lists") detailed information about all PCI buses and devices in the system.
su - <username>- Used to switch to a different user. This prompts for the password of the user you switch to.
zipto compress files into a zip archive, and
unzipto extract files from a zip archive.
gunzip- Used to extract the .gz file
tar -xvzf- Used to extract the .tar.gz file
touch- Used to create a file. It can be anything, from an empty txt file to an empty zip file. For example, “touch new.txt”.
pip- Tool for installing and managing Python packages, such as those found in the Python Package Index.
echo- Outputs the strings it is being passed as arguments.
cat- Used to open a file in terminal in read-only format.
more- Used to view the text files in the command prompt, displaying one screen at a time in case the file is large (For example log files).
less- Used to view the contents of a text file one at a time. It is similar to more, but has the extended capability of allowing both forward and backward navigation through the file.
nano- Nano is a good text editor that denotes keywords with color and can recognize most languages.This command is used to open a file in this text editor.
gedit- opens a file in Gedit.
vi- Used to open a file in vi.It is also a text editor installed in the Linux. vi is simpler than nano.
wget- Wget command is a Linux command line utility that helps us to download the files from the web.
curl- The curl command transfers data to or from a network server, using one of the supported protocols.
chmod- Use chmod to make a file executable and to change the permissions granted to it in Linux.