90s

Minimalist, customizable shell written in C99 with syntax highlighting.

Disclaimer: This project is for me to learn to write Unix syscalls, code might be inefficient, feel free to point out the mistakes and open a issue for that!

Preview

Valid command Invalid command

Features

No dependencies except a compiler
Showing current time and directory with custom color
Syntax highlighting on valid commands using ANSI colors
History navigation using up and down keys with history command
Support for environment variables
Editing using left and right arrow keys
!! to repeat last command
Pipes
autojump to directorys
stdin, stdout, stderr redirect
Background jobs

Built in commands

cd
help
exit
history
export
source
j
bg

Todo Features

Tab completion
Git integration
Allow arguments with space in double quotes
Underline file path if it exists echo -e "\033[4mabc\033[0m"
Aliases

Usage

$ 90s

# > to redirect stdout
# < to redirect stdin
# 2> to redirect stderr
# >> to append to file
# & to run command in background
# | to pipe
# !! to repeat last command
# >& to redirect both stdout and stderr

Dependencies

None

Building

You will need to run these with elevated privilages.

$ make
# make install

Notes

History is either saved in HOME or XDG_CONFIG_HOME if it is defined

Contributions

Contributions are welcomed, feel free to open a pull request.

License

This project is licensed under the GNU Public License v3.0. See LICENSE for more information.

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90s