Table of contents
About Linux
Linux is a free and open-source operating system kernel that was originally created by Linus Torvalds in 1991. It is one of the most widely used operating systems in the world, especially in the server market and among developers. It has multiple flavors like Cent OS, Ubuntu, Fedora, Redhat, and Debian.
Basic command on Linux
👉 whoami >> to check the current user
👉 ls >> to check files and directories
👉ls -l >> List the files and directories in a long list format with extra information
👉ls *.sh>> List all the files having .sh extension.
👉ls -i>> List the files and directories with index numbers inodes
👉ls -d */>> List only directories.(we can also specify a pattern)
👉date >> to check the current date
👉touch >> to create a new file
👉mkdir >> to make a directory in a specific location
👉pwd >> print work directory. Gives the present working directory.
👉cd .. >> Change directory to the provided path
👉cd ~ >> Change directory to the home directory
👉cd .. /.. >> Change directory to 2 levels back.
👉cd home/my_folder >> to go destination directory
👉echo>> to print something
👉cat >> to write/see content in the particular file
👉rm -r/-rf >> to delete files and directory
👉mv >> to rename and move the file from one directory to another directory
👉cp >> to copy files to one directory
👉man any executable command >> can see detail description of that command
👉adduser \>> to create a new user account
👉userdel -r \>> to delete user account
👉Create a nested directory A/B/C/D
