| S.No | Linux Command | Description |
|---|---|---|
| 1. | cd .. |
Cange directory |
| 2. | whoami |
Prints the effective username of the current user |
| 3. | chmod +x <filename> |
Makes the file executable |
| 4. | cat <filename> |
View the file in read-only mode |
| 5. | grep -i "<search_text>" <filename> |
Command grep is used for text-searches in files; adding -i, makes search, case-insensitive |
| 6. | echo "<sample_text>" <filename> |
Command echo will overwrite <sample_text> to after deleting all its previous contents |
| 7. | cp <source> <destination> |
It copies file/folder from one location to another |
| 8. | mv <source> <destination> |
Reallocates files/folder from one location to another; If "destination" doesnot exist, then source folder is renamed as destination |
| 9. | man <command> |
Displays entire manual for any command |
| 10. | locate <search_text> |
Specifies location of all files that contains <search_text> in their names as a substring. |