Linux

fortsh has full functionality on Linux with no platform-specific limitations.

Overview

Linux is the primary development platform for fortsh. All features work without restriction.

Installation Methods

Fedora / RHEL / Rocky / CentOS

# Add repository
sudo dnf config-manager --add-repo https://repos.musicsian.com/musicsian.repo

# Install
sudo dnf install fortsh

Arch Linux (AUR)

# Using yay
yay -S fortsh

# Using paru
paru -S fortsh

# Manual
git clone https://aur.archlinux.org/fortsh.git
cd fortsh
makepkg -si

Ubuntu / Debian

Build from source:

# Install dependencies
sudo apt install gfortran make git

# Clone and build
git clone https://github.com/fortrangoingonforty/fortsh.git
cd fortsh
make
sudo make install

From Source (Any Distribution)

# Ensure gfortran is installed
# Fedora/RHEL: dnf install gcc-gfortran
# Ubuntu/Debian: apt install gfortran
# Arch: pacman -S gcc-fortran

git clone https://github.com/fortrangoingonforty/fortsh.git
cd fortsh
make
sudo make install

Compiler

fortsh uses gfortran on Linux:

FC = gfortran
FFLAGS = -O2 -frecursive

The -frecursive flag ensures thread safety for recursive functions.

Full Feature Set

All features are available on Linux:

Paths

Default installation locations:

Setting as Default Shell

To make fortsh your login shell:

# Add to /etc/shells
echo /usr/local/bin/fortsh | sudo tee -a /etc/shells

# Change shell
chsh -s /usr/local/bin/fortsh

Terminal Support

fortsh works with all standard terminal emulators:

• GNOME Terminal
• Konsole
• Alacritty
• kitty
• xterm
• tmux / screen

For best syntax highlighting support, use a terminal with true color (24-bit) support.

Verification

Check your installation:

fortsh --version
echo $FORTSH_VERSION

# Run tests
cd fortsh
make test

Troubleshooting

Missing gfortran

# Fedora/RHEL
sudo dnf install gcc-gfortran

# Ubuntu/Debian
sudo apt install gfortran

# Arch
sudo pacman -S gcc-fortran

Build Errors

Ensure you have a recent gfortran (version 9 or later recommended):

gfortran --version

Runtime Errors

Check terminal capabilities:

echo $TERM
# Should be something like "xterm-256color"