boredos_mirror/docs/usage/terminal.md

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Terminal & Command Line

The BoredOS Terminal provides a powerful command-line interface (CLI) for advanced users and developers. It supports standard Unix-like features and provides direct access to the kernel's system calls.

The Shell

The default shell in BoredOS is BoredShell (Bsh), a userspace shell with a dedicated terminal app. It features:

  • ANSI Color Support: Rich text output with colors and styles.
  • Command History: Use the Up and Down arrow keys to navigate through your previous commands (up to 64 history entries).
  • Output Redirection:
    • command > file: Write output to a new file (or overwrite existing).
    • command >> file: Append output to an existing file.
  • Piping:
    • command1 | command2: Pass the output of the first command as input to the second.

Bsh Configuration

Bsh loads its configuration from:

/Library/bsh/bshrc

This file is similar to .zshrc or .bashrc and can define:

  • PATH for command lookup
  • STARTUP for interactive shell startup scripts
  • BOOT_SCRIPT for a once-per-boot script
  • prompt templates (PROMPT_LEFT, PROMPT_RIGHT)

Prompt tokens:

  • %n username
  • %h hostname
  • %~ cwd ("~" for /root)
  • %T time (HH:MM)

Example:

PATH=/bin:/root/Apps
PROMPT_LEFT=%n@%h:%~$ 
STARTUP=/Library/bsh/startup.bsh
BOOT_SCRIPT=/Library/bsh/boot.bsh

Common Commands

Below are some of the most used commands available in /bin:

Command Description
ls List files and directories in the current path.
cd Change the current working directory.
cat Display the contents of a file.
ls List directory contents.
rm Remove a file.
mkdir Create a new directory.
man View the manual for a specific command (e.g., man ls).
lsblk List block devices and partitions with size, type, filesystem, label, and flags.
du Report disk usage for files and directories, recursively.
sysfetch Display system and hardware information.

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