# Install a package
sudo pacman -S package_name
# Install multiple packages
sudo pacman -S package1 package2 package3
# Install without confirmation prompt
sudo pacman -S --noconfirm package_name
# Install from local file
sudo pacman -U /path/to/package.pkg.tar.zst
# Install with dependencies
sudo pacman -S --asdeps package_name # Mark as dependency
# Remove a package
sudo pacman -R package_name
# Remove package and its dependencies (not used by others)
sudo pacman -Rs package_name
# Remove package, dependencies, and config files
sudo pacman -Rns package_name
# Remove package without checking dependencies (dangerous)
sudo pacman -Rdd package_name
# Update package database
sudo pacman -Sy
# Upgrade all packages
sudo pacman -Su
# Update database and upgrade all packages
sudo pacman -Syu
# Force refresh package databases
sudo pacman -Syy
# Full system upgrade with database refresh
sudo pacman -Syyu
# Search for package in repositories
pacman -Ss search_term
# Search installed packages
pacman -Qs search_term
# Search for package that owns a file
pacman -Qo /path/to/file
# List all files owned by a package
pacman -Ql package_name
# Find which package provides a file
pacman -F filename
# Display info about installed package
pacman -Qi package_name
# Display info about repository package
pacman -Si package_name
# List all installed packages
pacman -Q
# List explicitly installed packages
pacman -Qe
# List packages installed as dependencies
pacman -Qd
# List orphaned packages (no longer needed)
pacman -Qdt
# Check for package updates
pacman -Qu
# Remove all cached packages
sudo pacman -Sc
# Remove all cached packages (uninstalled only)
sudo pacman -Scc
# Remove orphaned packages
sudo pacman -Rns $(pacman -Qtdq)
# Clear package cache (keep 3 most recent)
paccache -r
# Clear cache for uninstalled packages
paccache -ruk0
# Check database for errors
sudo pacman -Dk
# Refresh package database
sudo pacman -Fy
# Mark package as explicitly installed
sudo pacman -D --asexplicit package_name
# Mark package as dependency
sudo pacman -D --asdeps package_name
# List files in package database
pacman -Fl package_name
# -S: Sync (install/upgrade packages)
# -R: Remove packages
# -Q: Query installed packages
# -F: Query file database
# -U: Upgrade from local file
# -D: Database modification
# Modifiers:
# -y: Refresh database
# -u: Upgrade packages
# -s: Search
# -i: Info
# -l: List
# -c: Clean cache
# -n: No backup
# --noconfirm: Skip confirmation
# --needed: Skip up-to-date packages
# List all groups
pacman -Sg
# List packages in a group
pacman -Sg group_name
# Install entire group
sudo pacman -S group_name
# List installed groups
pacman -Qg
# List packages in installed group
pacman -Qg group_name
# Configuration file
/etc/pacman.conf
# Mirror list
/etc/pacman.d/mirrorlist
# Update mirror list (manually edit)
sudo nano /etc/pacman.d/mirrorlist
# Enable color output (uncomment in /etc/pacman.conf)
Color
# Enable parallel downloads (add to /etc/pacman.conf)
ParallelDownloads = 5
# Ignored packages (won't be upgraded)
IgnorePkg = package1 package2