- Finding the username of the currently logged in user:
whoami - Finding all the users:
who - Printing text:
echo "your_text" - New line character:
-n - Prinitng a banner in command-line:
banner -w(width) 'your_text' - Displaying the current shell you are working in:
echo $0 - Viewing a text file:
less file_name - Creating nested directories:
mkdir -p dir_1/dir_2/.... - Recursively copying directories:
cp -R dir_to_be_copied new_dir_name - Deleting a directory with contents in it:
rm -R dir_name - Creating a Symbolic Link:
ln -s file_name symlink_name - Searching for a file/dir:
find path_of_file expression - Displaying ownership of all files:
ls -l - Changing the ownership of a file:
chown user_name:group_name path_to_the_file - Executing the last command:
sudo !! - Returning the location of a command:
which command_name - Reading manual for a command:
man command_name - Calculating free disk space:
df - Calculating the disk occupied:
du - Calculating the file system information upto a depth:
du -d depth - Forcefully killing a process:
kill -9 process_id - Setting up a PATH variable:
export PATH_NAME="PATH_LOCATION"
Last active
March 14, 2022 05:22
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