Commands:
1. Pwd - print current working directory (root, this is the default working directory, depends on the name
given when you download the linux platform)
2. mkdir name_of_directory - you should write the name of the directory/folder in the space. It inputs the
user defined name.
3. ls - type ls then press enter to list out the files in the directory. There are three variations of the. List
command.
4. cd name_of_directory - change directory.
5. cd .. - to go from the current directory to the previous directory. Going to immediate parent directory.
6. “cd - ” - to show which directory was used before the current running directory.
7. cd - go back to the root directory / folder.
8. cat > os.txt - (cat > file_name.extension) is the command to create
the file that is present inside a directory/folder.
9. control + d - save the file and come out of the file.
10. cat file_name.extension - display the file content but not opening
the file.
11. cat file_name.extension file_name2.extension >
file_name3.extension - this way you have combines file name and
file_name2 and these have been included in the third file,
file_name3.extension.
12. cp file_name.extension /new_directory_address - makes a copy of the file mentioned in the directory
mentioned.
13. mv file_name.extension /new_directory_address - moves the file form the directory it is in to the
directory mentioned.
14. ls -R - lists out all the files in all directories and sub-directories in the project.
15. ls -al - mode followed by root folder, parent folder, when it was created, and such. Complete info
about the file is provided.
16. find / file_name - If you are inside a directory and you want to find if there is any file with a particular
name
17. df - info about disc space for all the files. (Command given in root directory)
18. du - disc space utilisation for the entire system. (Command given in root directory)
19.df -m - the size is displayed in megabytes.
(Command given in root directory)
20. rmdir name_of_directory - Make sure that there are no other files / subdirectories are present then only
this command works.
21. rm file_name.extension - delete everything no matter what is there inside.
22. control + c - stop an unending ongoing command.
23. Locate
24. Head
25. Tail
26. grep
27. Touch
28. sudo
29. chmod
30. chown
31. Kill
