https://github.com/patrickshaw/linux-cli-example

A Linux command line interpreter written to mimic some of the basic commands used in Linux.
https://github.com/patrickshaw/linux-cli-example

assignment cli linux operating-systems study university

Last synced: 19 days ago
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A Linux command line interpreter written to mimic some of the basic commands used in Linux.

• Host: GitHub
• URL: https://github.com/patrickshaw/linux-cli-example
• Owner: PatrickShaw
• License: mit
• Created: 2017-04-22T11:22:00.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-04-24T10:33:42.000Z (over 7 years ago)
• Last Synced: 2024-04-14T12:46:37.301Z (9 months ago)
• Topics: assignment, cli, linux, operating-systems, study, university
• Language: C
• Homepage:
• Size: 394 KB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Command line interpreter

## FTI2070 Operating Systems - Assignment 1

### Running the basic interpreter

1. Navigate to and open a terminal in the Basic/bin folder

2. Enter `./bin/basic_cli`

3. The basic CLI should now be running. You may now enter commands into the CLI or type help to display the user manual.

### Running the advanced interpreter

1. Navigate to and open a terminal in the Advanced/bin folder

2. Type `./bin/advanced_cli`

3. The advanced CLI should now be running. You may now enter commands into the CLI or type help to display the user manual.

### Commands

`clear`

Clears the output screen.

`cd `**``**

Changes the default directory to **``**.

If the argument is not present, the current directory is changed to the *HOME* environment.

`dir `**``**

Lists the contents of the given directory **``**.

`echo `**``**

Prints the first **``**.

A comment is a sequence of characters start with a double quote character.

It is terminated by the next double quote.

`help`

Displays the user manual using the less command.

`pause`

Pauses the execution of the CLI program until the Enter key is pressed.

`quit`

Stops executing the CLI program and terminates.

`new `**``**

Create a new file with name **``**.

`cp `**` `**

Copy the contents of an existing file with name **``** to a new file with 

`name `**``**

`find `**` `**

Displays the number of occurrence of the character **``** in an existing file with name **``**.

`run `**``**

Execute any executable program with name **``**.

`halt `**``**

Stop executing the program with name **``**.

### Using command arguments that include spaces

The CLI seperates command arguments/parameters by spaces. However, command arguments can be combined by encapsulating them within double quotation marks.

#### Example

The following command will not work:

`cp ./original file with space ./new file with whitespace`

The following command will work:

`cp "./original file with whitespace" "./new file with whitespace"`