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1 |
| -# LearnBase-Bash |
| 1 | +# LearnBase-Bash :book: |
| 2 | +### Heared about Linux? Want to learn bash scripting? or Searching for a good Handbook for terminal Commands? |
| 3 | + |
| 4 | +**HERE's ALL.**<br> |
| 5 | +In a programmers' life, Linux is the thing that one should know how to use it efficiently. |
| 6 | +This is a self learn tutorial for those who new to Linux terminal and want to learn how to use it effectively. |
| 7 | + |
| 8 | +> This tutorial is covering the most used(80-90%) commands. |
| 9 | +
|
| 10 | +### 📙Let's Start❗ |
| 11 | + |
| 12 | +__1. ```man``` command__ |
| 13 | + - to get the manual of commands that what specific command actually do and how to use it. |
| 14 | + - Syntax: ```man <command_name>``` |
| 15 | + - use ```q``` key to exit from man page |
| 16 | + |
| 17 | +__2. ```ls``` command__ |
| 18 | + - list command, used to list the files. |
| 19 | + - Syntax: ```ls``` accepts a lot of options |
| 20 | + - ```ls``` |
| 21 | + - ```ls <folder_path>``` - to list files of a specific folder |
| 22 | + - ```ls -al``` |
| 23 | + |
| 24 | +__3. ```mkdir``` command__ |
| 25 | + - to create folders |
| 26 | + - Syntax: |
| 27 | + - ```mkdir <folder_name>``` - single folder |
| 28 | + - ```mkdir <folder1> <folder2>``` - multiple folders |
| 29 | + - ```mkdir -p <parentfolder / childfolder>``` - nested folders |
| 30 | + - |
| 31 | + |
| 32 | +__4. ```cd``` command__ |
| 33 | + - cd means change directory. You can jump between folders using this command. |
| 34 | + -Syntax: |
| 35 | + - ```cd <folder_name/path>``` |
| 36 | + - ```cd ..``` - to back to parent folder |
| 37 | + - ```cd ../folder_name``` - |
| 38 | + - ```cd /<foldername>``` - use absolute paths, which start from the root folder ```/``` |
| 39 | + |
| 40 | +__5. ```pwd``` command__ |
| 41 | + - prints current folder path. |
| 42 | + |
| 43 | +__6. ```rmdir``` command__ |
| 44 | + - delete __empty__ folders using this command |
| 45 | + - Syntax: |
| 46 | + - ```rmdir <folder_name> |
| 47 | + - ```rm -rf <folder>``` : _To delete folders with files in them_ |
| 48 | + > ❗ NOTE: this command does not ask for the confirmation from the user and immediately remove that you ask it to remove. |
| 49 | +
|
| 50 | +__7. ```touch``` command__ |
| 51 | + - to create an empty file |
| 52 | + - Syntax: ```touch <file_name> |
| 53 | + - If the file already exists, it opens th file in write mode. |
| 54 | +
|
| 55 | +__8. ```mv``` command__ |
| 56 | + - to move the file and also to rename the file |
| 57 | + - ```mv <from_folder/file> <to_folder/file>``` |
| 58 | + - ```mv <file1> <file2> <tofolder>``` - to move more than one file, make a list of file and move to folder. |
| 59 | +
|
| 60 | +__9. ```cp``` command__ |
| 61 | + - to copy a file |
| 62 | +
|
| 63 | +__10. ```open``` command__ |
| 64 | + - to open a file using this command |
| 65 | + - Syntax: ```open <filename>``` |
| 66 | + |
| 67 | +__11. ```find``` command |
| 68 | + - used to find files or folders matching a particular search pattern. It searches recursively. |
| 69 | + - Example: to find all the files in current directory with extension ```.png``` and also print the relative path. |
| 70 | + - ```find . -name '*.png'``` |
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