Linux Command for Beginner

Download ubuntu by searching for ubuntu download, click the first link, use the download now option when automatic download fails, save the 2.9 gb iso, and install later.

Master linux directory management: clear the terminal, create and navigate directories with mkdir and mkdir -p, cd, and ls -la, and remove with rm, including recursive and force options.

Learn the difference between files and directories in linux, identify files versus folders, and use commands to explore and open them.

Explore the Linux filesystem hierarchy standard and root partition, learn where executables live in /bin, how config files like /etc/hosts sit, and how partitions mount points organize /home and data.

Learn to view your present working directory, change directories with cd, and list files with ls or ls -la in Linux.

Master Linux directory management by creating nested folders with mkdir -p, listing with ls -la, navigating with cd, clearing the screen, and removing directories with rmdir or forceful removal.

Learn how the Linux copy command works to create backups by copying files and directories, including recursive copies with cp, and using options to suppress confirmations.

Learn Linux user management by creating and granting permissions to users on an Ubuntu server, including the root (super user) and additional users with defined privileges.

Create a Linux user with useradd, use -m for a home directory, verify the entry in /etc/passwd, switch users, and set a password with passwd using sudo.

Delete a user in Linux using sudo userdel -r username, ensuring the user is not logged in, which removes both the user entry and the home directory.

Learn to switch users in linux using su and su -, and note that su preserves the current directory while su - switches to the target user's home.

Explore Linux group management: assign permissions at the group level, add users to groups, and create, modify, or delete groups to streamline access and revocation.

Learn how to add or remove a user to a linux group, check group membership with the groups command, and understand that a user can be in multiple groups.

learn to rename a Linux group and delete a Linux group using a pseudo user, with a practical example renaming 'debate group' to 'install' and then removing it.

Explore Linux permissions, understanding read, write, and execute for user, group, and others, and see how chmod 777 grants full access to all categories.

Learn how to change file and directory permissions using the command, understand rwx for user, group, and others, and practice setting octal permissions like 7-7-7.

Learn how to change group permissions in Linux using chmod, applying read, write, and execute for the group with g+ and numeric methods.

Learn how to change file ownership and group in Linux using the chown command, including using sudo and the -R option for recursive changes across directories.

Use the cut command to extract the first field from a comma-delimited file by setting the delimiter with -d, and selecting -f 1 for names.

The grep command filters content by pattern, often via pipes like cat file | grep 34; use -i for case-insensitive matches and filter processes by string.

Learn how to use the tr translate command to transform text in Linux, including capitalizing letters, deleting characters, and replacing lines via pipes for string manipulation.

Learn to view linux file contents using cat, head, tail, and the paging tools more and less. Display the top or bottom lines with default ten or a chosen number.

Learn to view Linux file content with head, tail, cat, and tac, and navigate with more and less, search with /, highlight matches, and quit with q.

Learn linux networking on Ubuntu: check connectivity, view your IP with ifconfig after net-tools installation, ping google.com, and perform dns lookups with host plus hostname, wget, or curl.

Discover how the vi editor opens or creates files, switch between insert and command modes, and save or quit with commands like :wq.

Master Linux manual pages with the man command to learn command purposes, syntax, and options offline, using examples like pwd and rm.