sigma-web-development

Web development, also known as website development, refers to the tasks associated with creating, building, and maintaining websites and web applications that run online on a browser.

LINUX BASICS COMMAND

1. cd: Change directory. Used to navigate through the file system. Example: cd /home
2. ls: List files and directories. Example: ls -l
3. mkdir: Create a new directory. Example: mkdir mydirectory
4. rm: Remove a file or directory. Example: rm myfile
5. cp: Copy a file. Example: cp file.txt newlocation
6. mv: Move or rename a file. Example: mv oldfile newlocation
7. echo: Output text to the terminal. Example: echo "Hello World!"
8. cat: Display the contents of a file. Example: cat file.txt
9. nano: A simple text editor. Example: nano myfile
10. pwd: Print the current working directory. Example: pwd
11. man: Display the manual for a command. Example: man ls
12. chmod: Change file mode (permissions). Example: chmod 755 myfile
13. chown: Change file ownership. Example: chown user:group myfile
14. find: Search for files based on various criteria. Example: find /home -name "myfile"
15. grep: Search for a pattern in one or more files. Example: grep "pattern" file1 file2 ...
16. sort: Sort lines of text. Example: sort -n file.txt
17. uniq: Display only the unique lines of text. Example: uniq file.txt
18. head: Display the first few lines of a file. Example: head -5 file.txt
19. tail: Display the last few lines of a file. Example: tail -5 file.txt
20. cat >: Output the contents of a file to the terminal, overwriting any existing content. Example: cat > myfile
21. rmdir: Remove an empty directory. Example: rmdir mydirectory
22. touch: Create a new empty file. Example: touch myfile
23. curl: Transfer data from a server to the local machine. Example: curl https://example.com
24. wget: Download files from the internet. Example: wget https://example.com/file.txt
25. ssh: Connect to a remote machine using the secure shell. Example: ssh user@remotemachine
26. scp: Transfer files between machines using the secure copy protocol. Example: scp file.txt user@remotemachine:/home/user/
27. sftp: Transfer files between machines using the secure file transfer protocol. Example: sftp user@remotemachine /home/user/file.txt
28. ssh-keyscan: Display the contents of a SSH key. Example: ssh-keyscan -t rsa user@remotemachine
29. chroot: Change the root directory of a process. Example: chroot /newroot /bin/bash
30. su: Switch to another user or run a command as another user. Example: su user