- United States
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- Ukraine
- United Kingdom
- Italy
- Poland
- Australia
- Spain
- New Zealand
- France
- Germany
TOP 30 Grill restaurant menu variety in Celebration, FL
285 results found
Search for local businesses, places and services near you
El Patio
El Patio is a charming restaurant located at 60 High Springs Main Street in the picturesque town of High Springs, Florida. This cozy eatery offers a warm and inviting atmosphere, perfect for enjoying a delicious meal with friends and family. The menu at El Patio features a variety of mouthwatering dishes inspired by traditional Mexican cuisine, prepared with fresh ingredients and authentic flavors. Guests can dine indoors or al fresco on the patio, surrounded by lush greenery and a relaxing ambiance. Whether you're craving tacos, enchiladas, or freshly made guacamole, El Patio is sure to satisfy your appetite for delicious Mexican fare. Come and experience the flavors of Mexico at El Patio in High Springs.
Green Barn Prime
Green Barn Prime is a top-notch steakhouse located at 110 Northwest 2nd Street in Trenton, Florida. Indulge in the ultimate steakhouse experience where the happiest table is the full table! Enjoy layers of Boarshead London Broil Roast Beef and Caramelized onions, topped with melted Boarshead Caramelized Onion Jack Cheese and served with Au Jus. Feast on a 14oz cut of Aged Prime New York steak, finished with herb butter and served with Au Gratin Potatoes and Parmesan Encrusted Cauliflower Florette's. Choose from Poke Tuna or Salmon on a bed of sushi rice with a variety of fresh toppings, or savor 6 fried pork dumplings with house-made gyoza sauce. The menu also includes Margarita Grilled Shrimp Skewers and a selection of premium steak cuts such as Tri-Tip, Sirloin, Ribeye, and New York strip. Green Barn Prime prides itself on providing the best quality steak and cuisine from New Orleans to the Orient. With over 30 years of experience, our skilled chefs prepare dishes with the finest ingredients to perfection. The warm and inviting rustic atmosphere is perfect for any occasion, whether you're celebrating a special event or enjoying a night out with friends. Have dietary concerns or questions about an upcoming event? Contact us and we'll be happy to assist you.
Las Margaritas
Las Margaritas is a charming Mexican restaurant located in Gainesville, Florida. Situated at 4405 Northwest 39th Avenue, this institution offers a wide variety of delicious and authentic Mexican dishes. From sizzling fajitas to flavorful tacos, Las Margaritas is a must-visit destination for those craving traditional Mexican cuisine. The vibrant atmosphere and friendly staff make it the perfect spot for a casual meal or a special celebration. Come experience the flavors of Mexico at Las Margaritas.
Outback Steakhouse
Outback Steakhouse is a popular restaurant located at 3215 Southwest College Road in Ocala, Florida. Known for its bold flavors and delicious food, Outback Steakhouse offers a variety of options for dining in, taking out, or enjoying a meal at the bar. Those with gluten intolerance can rest assured that there are several menu items specifically catered to their needs. Additionally, Outback Steakhouse is part of a group of restaurants that includes Carrabba's Italian Grill, Bonefish Grill, and Fleming's Prime Steakhouse & Wine Bar. Customers can now enjoy the convenience of ordering through the Outback App, which offers curbside takeaway and delivery. If you're interested in joining the Outback Steakhouse team, they are always on the lookout for dedicated and fun-loving individuals to help make the restaurant a success. Download the Outback App today to experience their bold flavors and exciting new features!
Hana Sushi
Hana Sushi is a popular Japanese restaurant located at 3147 Southwest 45th Street in Gainesville, Florida. Known for its fresh and flavorful sushi dishes, Hana Sushi offers a wide variety of traditional and modern sushi options, as well as other Japanese cuisine favorites. The restaurant has a cozy and welcoming atmosphere, perfect for enjoying a delicious meal with friends and family. Whether you're a sushi enthusiast or new to Japanese cuisine, Hana Sushi is sure to satisfy your cravings for authentic and delicious food.
Gather: Social Lounge
Gather: Social Lounge is a vibrant and trendy restaurant located in Gainesville, Florida. Situated at 5020 Southwest 30th Lane, this social lounge is the perfect spot to gather with friends and enjoy delicious food in a relaxed and welcoming atmosphere. With a diverse menu featuring a variety of dishes, craft cocktails, and specialty drinks, Gather offers something for everyone. Whether you're looking to unwind after a long day or celebrate a special occasion, Gather: Social Lounge is the ideal destination for a memorable dining experience.
Original American Kitchen (OAK)
Original American Kitchen (OAK) is a vibrant and inviting bar and restaurant located in the heart of Gainesville, Florida. Situated at 15 Southeast 1st Avenue, OAK offers a unique dining experience that celebrates traditional American cuisine with a modern twist. The menu features a variety of classic dishes, from juicy burgers and crispy fries to hearty sandwiches and flavorful salads. The cozy atmosphere, friendly staff, and delicious food make OAK the perfect spot for a casual meal with friends or a relaxed night out. Whether you're looking for a quick bite to eat or a place to unwind after a long day, OAK has something for everyone. Come visit us and taste the best of American cuisine in a warm and welcoming setting.
Brother's Pizza
Brother's Pizza is a popular food institution located at 6746 West Gulf to Lake Highway in Crystal River, Florida. Known for their delicious pizzas and Italian cuisine, Brother's Pizza offers meal delivery services as well as dine-in options at their cozy restaurant. With a wide variety of toppings and specialty pizzas to choose from, customers can enjoy a tasty and satisfying meal in the comfort of their own home or at the charming eatery. Whether you're craving a classic pepperoni pizza or a gourmet specialty pie, Brother's Pizza is sure to satisfy your hunger with their fresh and flavorful dishes.
Buffet City
Buffet City is a popular all-you-can-eat restaurant located at 13235 Cortez Boulevard in Brooksville, Florida. This vibrant dining establishment offers a wide variety of dishes from around the world, including Chinese, Japanese, and American cuisine. With its spacious dining area and friendly staff, Buffet City is the perfect place to enjoy a delicious meal with family and friends. Whether you're craving sushi, stir-fry, or classic American comfort food, this buffet has something for everyone. Come visit Buffet City for a satisfying dining experience that will leave you coming back for more.
Grace Japanese Steak House
Grace Japanese Steak House is a popular dining destination located in Ocala, Florida. Situated at 3035 Southeast Maricamp Road, this restaurant offers a unique and entertaining dining experience with its traditional Japanese hibachi-style cooking. Guests can enjoy watching skilled chefs prepare their meal right in front of them on a sizzling hot grill. The menu features a variety of delicious options including steak, seafood, chicken, and vegetables, all cooked to perfection and served with flavorful sauces and seasonings. Whether you're celebrating a special occasion or simply looking for a fun and memorable dining experience, Grace Japanese Steak House is the perfect choice.
Coyote Rojo
Coyote Rojo is a vibrant and lively restaurant located at 214 West Broad Street in Groveland, Florida. Known for its delicious Mexican cuisine and welcoming atmosphere, Coyote Rojo offers a wide variety of dishes that are sure to please any palate. From sizzling fajitas to flavorful tacos and refreshing margaritas, this institution is a favorite among locals and visitors alike. With friendly staff and a cozy ambiance, Coyote Rojo is the perfect spot for a casual meal or a fun night out with friends. Come experience the flavors of Mexico at Coyote Rojo today!
Miller's Ale House
Miller's Ale House is a popular bar and restaurant located at 1555 South Grand Highway in Clermont, Florida. Known for its lively atmosphere, extensive drink menu, and delicious food options, Miller's Ale House is the perfect spot to unwind after a long day or catch up with friends over a cold beer and a plate of wings. With a diverse menu featuring a variety of pub favorites and American classics, there is something for everyone to enjoy at this vibrant establishment. Whether you're craving a juicy burger, crispy fish and chips, or a refreshing cocktail, Miller's Ale House has you covered. Come on down and experience the fun and friendly vibe that makes this place a top choice for locals and visitors alike.
Ay Jalisco Clermont
Ay Jalisco Clermont is a popular Mexican restaurant located in Clermont, Florida. Situated at 580 State Route 50, this vibrant eatery offers a taste of authentic Jalisco cuisine in a lively and welcoming atmosphere. From sizzling fajitas to flavorful enchiladas, Ay Jalisco Clermont serves up a variety of traditional dishes that are sure to please any palate. Whether you're craving a hearty burrito or a refreshing margarita, this restaurant is the perfect spot to enjoy a delicious meal with friends and family. Come experience the flavors of Mexico at Ay Jalisco Clermont!
Magical Meat Boutique British Pub
Welcome to the Magical Meat Boutique British Pub, located at 322 Alexander Street in the charming town of Mount Dora, Florida. Our establishment is a unique blend of a traditional British pub and a modern American eatery, offering a magical experience for all who walk through our doors. At our pub, you can enjoy a wide selection of craft beers, cocktails, and wines while indulging in our delicious menu of mouthwatering meat dishes. From hearty burgers and steaks to savory pies and sausages, our chefs use only the finest ingredients to create unforgettable flavors that will leave you craving more.
Bubbakoo's Burritos
Bubbakoo's Burritos is a popular food institution located at 1705 Future Way in Celebration, Florida, United States. This restaurant offers a unique and delicious menu, featuring items such as the Nashville Hot Crispy Chicken Burrito, Crispy Chicken Sriracha Ranch Bacon Quesadilla, Hibachi Steak and Shrimp Burrito, and the innovative "Burritodilla". Other must-try options include the Mango Habanero Grilled Chicken Tostada Salad, General Tso's Crispy Chicken Tacos, and Sweet Chili Double Shrimp Tacos. Customers can also join the Green Room rewards program to earn points and unlock exclusive items from the Backstage Menu. With a variety of flavorful dishes and a fun rewards system, Bubbakoo's Burritos is the perfect spot for a tasty and satisfying meal.
Asahi Hibachi & Sushi
Asahi Hibachi & Sushi is a popular dining destination located at 3331 South Orange Blossom Trail in Kissimmee, Florida. This vibrant restaurant offers a unique fusion of Japanese hibachi and sushi cuisine, providing guests with an exciting and interactive dining experience. From sizzling hibachi meals cooked right before your eyes to fresh and delicious sushi rolls, Asahi Hibachi & Sushi promises a memorable dining experience for all. With a welcoming atmosphere and attentive staff, this restaurant is the perfect spot for a casual meal with friends or a special celebration with loved ones. Come and enjoy the flavors of Japan at Asahi Hibachi & Sushi!
Cheers Altamonte
Cheers Altamonte is a vibrant bar, food, and restaurant located at 580 Cape Cod Lane in Altamonte Springs, Florida. This lively establishment offers a cozy and welcoming atmosphere where guests can enjoy delicious food, refreshing drinks, and great company. Whether you're looking to grab a casual bite to eat, unwind with a drink after work, or celebrate a special occasion with friends, Cheers Altamonte has something for everyone. With its convenient location and friendly staff, this institution is a must-visit for locals and visitors alike. Come join us at Cheers Altamonte for a memorable dining and drinking experience!
The DeLand Stockyard
The DeLand Stockyard is a unique dining experience located in DeLand, Florida. Situated at 1915 Old New York Avenue, this restaurant offers a taste of the Old West with its rustic decor and hearty menu options. Guests can enjoy a variety of delicious dishes made with locally sourced ingredients, including steaks, burgers, and BBQ specialties. The friendly staff and cozy atmosphere make The DeLand Stockyard the perfect spot for a casual meal with family and friends. Whether you're craving a juicy steak or a mouthwatering burger, this institution is sure to satisfy your appetite.
Kobé Japanese Steakhouse - Kirkman
Kobé Japanese Steakhouse - Kirkman is a popular dining establishment located in Orlando, Florida. Known for its delicious Japanese cuisine and entertaining teppanyaki-style cooking, guests can enjoy a unique dining experience as skilled chefs prepare their meals right before their eyes. The restaurant's cozy atmosphere and friendly staff make it the perfect spot for a family dinner or a special celebration. With a menu featuring a variety of sushi, hibachi, and traditional Japanese dishes, Kobé Japanese Steakhouse - Kirkman is sure to satisfy any craving for Asian cuisine. Visit them at 5605 South Kirkman Road for a memorable dining experience.
Best Seafood Place
Best Seafood Place is a top-rated restaurant located at 2122 West Colonial Drive in Orlando, Florida. Known for serving the freshest and most delicious seafood dishes in town, this establishment offers a wide variety of options to satisfy every seafood lover's cravings. From succulent shrimp and mouthwatering lobster to flavorful fish and delectable crab, the menu at Best Seafood Place is sure to impress. With a cozy and inviting atmosphere, exceptional service, and a commitment to using only the finest ingredients, this restaurant is a must-visit for anyone looking to enjoy a memorable dining experience.
The Original Crabby Bill's
Located at 401 Gulf Boulevard in Indian Rocks Beach, Florida, The Original Crabby Bill's is a beloved institution offering fresh, no-frills seafood in the Tampa Bay area. With over 40 years of experience, this family-owned business has deep roots in the community and a passion for serving delicious seafood. The story of Crabby Bill's begins with Bill and Dolores Loder, who started their seafood journey in 1954 near Philadelphia. Specializing in blue crabs, the couple's roadside seafood joint quickly became a local favorite. Today, their legacy lives on at The Original Crabby Bill's, where guests can enjoy a variety of seafood dishes in a welcoming atmosphere.
Jimmy Guana's
Jimmy Guana's is a lively bar and restaurant located at 401 2nd Street in Indian Rocks Beach, Florida. Whether you're looking to host a birthday party, office function, or anniversary celebration, our dedicated staff will ensure your event is perfect down to the last detail. We recommend making a reservation ahead of time to secure your table in our spacious dining area or outside seating with a tropical ambiance. Our menu features a variety of dishes, including the Grouper Sandwich, Firecracker Calamari, Mahi Mahi fillet, and Vito's Coconut Tacos. Don't miss out on our signature Caribbean Reptilian pretzel served with house-made beer. Customers rave about our delicious food and excellent service, with many returning again and again. Join us for happy hour and try our freshly made Pina Coladas and Rum Runners, along with the must-try Chicago Oysters appetizer. Come experience the best quesadillas, grouper nuggets, and firecracker shrimp in town - you won't be disappointed at Jimmy Guana's!
Thirsty Marlin
Thirsty Marlin is a lively bar and restaurant located at 1023 Florida Avenue in Palm Harbor, Florida. Known for its casual atmosphere and delicious food, Thirsty Marlin is a popular spot for locals and visitors alike. The menu features a variety of seafood dishes, burgers, salads, and more, all made with fresh ingredients. The bar offers a wide selection of beers, wines, and cocktails to enjoy while watching the game on one of the many TVs. Whether you're looking for a fun night out with friends or a relaxing meal with family, Thirsty Marlin has something for everyone. Come experience the laid-back vibe and great food at this Palm Harbor institution.
Level 11 Rooftop Bar & Lounge
Level 11 Rooftop Bar & Lounge is a vibrant and stylish establishment located at 5250 Gulf Boulevard in St. Pete Beach, Florida. Situated on the 11th floor, this rooftop bar offers stunning panoramic views of the surrounding area, creating a unique and unforgettable dining experience. Guests can enjoy a wide selection of cocktails, craft beers, and wines while taking in the breathtaking scenery. The menu features a variety of delicious dishes, including small plates, salads, and entrees that are perfect for sharing with friends or enjoying on your own.
Local Brewing Company
Local Brewing Company, also known as LBC, is a top-notch establishment located at 35631 US Highway 19 North in Palm Harbor, Florida. This versatile venue offers a combination of bar, food, meal delivery, meal takeaway, and restaurant services. We highly recommend making a reservation in advance to secure your spot at this popular spot. Whether you're planning a birthday party, office function, or any other special occasion, LBC takes care of all the fine details to bring your event to life just as you imagined. Our professional catering services are perfect for intimate gatherings or large functions, with quality and efficiency that always hits the mark.
Sauced Sports Bar
Sauced Sports Bar is a vibrant establishment located at 1250 Seminole Boulevard in Largo, Florida. It is a versatile venue that offers a variety of amenities including a fully stocked bar, delicious food options, convenient meal takeaway services, a lively night club atmosphere, and a welcoming restaurant setting. Whether you're looking to catch the big game, enjoy a night out with friends, or grab a quick bite to eat, Sauced Sports Bar has something for everyone. Come experience the excitement and great food at this popular spot in Largo.
Nine spices hot pot & korean BBQ
Nine Spices Hot Pot & Korean BBQ is a vibrant and unique dining establishment located in Pinellas Park, Florida. Offering a tantalizing combination of traditional Korean BBQ and hot pot dishes, this restaurant provides a culinary experience like no other. With a cozy and inviting atmosphere, Nine Spices is the perfect place to gather with friends and family for a delicious and interactive meal. Whether you're craving sizzling BBQ meats or flavorful hot pot broths, this restaurant has something to satisfy every palate. Visit Nine Spices Hot Pot & Korean BBQ at 6851 66th Street North for a memorable dining experience that will leave you coming back for more.
1823 Kitchen And Bar
1823 Kitchen and Bar is a vibrant and trendy establishment located at 3000 Bayport Drive in Tampa, Florida. This unique venue offers a combination of a bar, restaurant, and food experience all under one roof. With a cozy and inviting atmosphere, guests can enjoy a delicious meal or sip on craft cocktails while socializing with friends or family. The menu features a variety of mouthwatering dishes made with fresh, locally sourced ingredients, ensuring a high-quality dining experience. Whether you're looking for a casual night out or a special occasion celebration, 1823 Kitchen and Bar is the perfect spot to enjoy great food and drinks in a stylish setting.
El Molcajetes
El Molcajetes is a vibrant and authentic Mexican restaurant located at 901 10th Street East in Palmetto, Florida. Known for its delicious and traditional Mexican cuisine, El Molcajetes offers a wide variety of dishes made with fresh ingredients and bold flavors. From sizzling fajitas to flavorful tacos and hearty burritos, there is something for everyone to enjoy at this popular eatery. The cozy atmosphere and friendly staff make El Molcajetes the perfect spot for a casual meal with friends or a special celebration with loved ones. Come experience the taste of Mexico at El Molcajetes today!
Texas de Brazil - Tampa
Texas de Brazil in Tampa is a renowned churrascaria steakhouse located at 4112 West Boy Scout Boulevard. Offering a unique dining experience, this upscale restaurant serves a variety of succulent meats carved tableside by skilled servers. Guests can indulge in an endless array of grilled meats, gourmet salads, and decadent desserts in a sophisticated and elegant atmosphere. Whether you're celebrating a special occasion or simply craving a delicious meal, Texas de Brazil is the perfect destination for a memorable dining experience in Tampa, Florida.
- Restaurants
- Mexican restaurant
- French cuisine restaurant
- Steak house
- French restaurant
- Fine dining restaurant
- Grill bar
- Thai restaurant
- Cafe
- Oriental restaurant
- Pub
- Bistro
- Japanese restaurant
- Sushi
- Sushi delivery
- Italian restaurant
- Greek restaurant
- Grill pub
- Chinese restaurant
- Coffee house
- Pizza
- Pizza delivery
- Indian restaurant
- grill restaurant menu variety in Altamonte Springs
- grill restaurant menu variety in Apollo Beach
- grill restaurant menu variety in Aventura
- grill restaurant menu variety in Beverly Hills
- grill restaurant menu variety in Boca Raton
- grill restaurant menu variety in Boynton Beach
- grill restaurant menu variety in Bradenton
- grill restaurant menu variety in Brandon
- grill restaurant menu variety in Brooksville
- grill restaurant menu variety in Cape Coral
- grill restaurant menu variety in Clearwater
- grill restaurant menu variety in Clermont
- grill restaurant menu variety in Coral Springs
- grill restaurant menu variety in Crystal River
- grill restaurant menu variety in Cutler Bay
- grill restaurant menu variety in Deerfield Beach
- grill restaurant menu variety in DeLand
- grill restaurant menu variety in Delray Beach
- grill restaurant menu variety in Destin
- grill restaurant menu variety in Doral
- grill restaurant menu variety in Dunedin
- grill restaurant menu variety in Dunnellon
- grill restaurant menu variety in Estero
- grill restaurant menu variety in Eustis
- grill restaurant menu variety in Fernandina Beach
- grill restaurant menu variety in Florida City
- grill restaurant menu variety in Fort Lauderdale
- grill restaurant menu variety in Fort Myers
- grill restaurant menu variety in Fort Walton Beach
- grill restaurant menu variety in Freeport
- grill restaurant menu variety in Gainesville
- grill restaurant menu variety in Groveland
- grill restaurant menu variety in Hialeah
- grill restaurant menu variety in Hialeah Gardens
- grill restaurant menu variety in High Springs
- grill restaurant menu variety in Hollywood
- grill restaurant menu variety in Homestead
- grill restaurant menu variety in Homosassa
- grill restaurant menu variety in Indian Rocks Beach
- grill restaurant menu variety in Islamorada
- grill restaurant menu variety in Jacksonville
- grill restaurant menu variety in Jupiter
- grill restaurant menu variety in Kissimmee
- grill restaurant menu variety in Lake Wales
- grill restaurant menu variety in Lake Worth Beach
- grill restaurant menu variety in Lakeland
- grill restaurant menu variety in Lakewood Ranch
- grill restaurant menu variety in Land O' Lakes
- grill restaurant menu variety in Largo
- grill restaurant menu variety in Lauderhill
- grill restaurant menu variety in Lehigh Acres
- grill restaurant menu variety in Loxahatchee
- grill restaurant menu variety in Madeira Beach
- grill restaurant menu variety in Marco Island
- grill restaurant menu variety in Mary Esther
- grill restaurant menu variety in Miami
- grill restaurant menu variety in Miami Beach
- grill restaurant menu variety in Miami Springs
- grill restaurant menu variety in Miramar
- grill restaurant menu variety in Mount Dora
- grill restaurant menu variety in Naples
- grill restaurant menu variety in New Port Richey
- grill restaurant menu variety in North Fort Myers
- grill restaurant menu variety in North Miami
- grill restaurant menu variety in North Miami Beach
- grill restaurant menu variety in North Port
- grill restaurant menu variety in Ocala
- grill restaurant menu variety in Orange Park
- grill restaurant menu variety in Orlando
- grill restaurant menu variety in Pace
- grill restaurant menu variety in Palm Beach Gardens
- grill restaurant menu variety in Palm Harbor
- grill restaurant menu variety in Palmetto
- grill restaurant menu variety in Panama City
- grill restaurant menu variety in Panama City Beach
- grill restaurant menu variety in Pensacola
- grill restaurant menu variety in Pensacola Beach
- grill restaurant menu variety in Pinellas Park
- grill restaurant menu variety in Port Charlotte
- grill restaurant menu variety in Port Richey
- grill restaurant menu variety in Port St. Joe
- grill restaurant menu variety in Quincy
- grill restaurant menu variety in Riverview
- grill restaurant menu variety in Royal Palm Beach
- grill restaurant menu variety in Ruskin
- grill restaurant menu variety in Sanibel
- grill restaurant menu variety in Sarasota
- grill restaurant menu variety in Seffner
- grill restaurant menu variety in Seminole
- grill restaurant menu variety in Spring Hill
- grill restaurant menu variety in St. Pete Beach
- grill restaurant menu variety in St. Petersburg
- grill restaurant menu variety in Sunrise
- grill restaurant menu variety in Tallahassee
- grill restaurant menu variety in Tamarac
- grill restaurant menu variety in Tampa
- grill restaurant menu variety in Tavares
- grill restaurant menu variety in Temple Terrace
- grill restaurant menu variety in Trenton
- grill restaurant menu variety in Trinity
- grill restaurant menu variety in Venice
- grill restaurant menu variety in Wellington
- grill restaurant menu variety in West Palm Beach
- grill restaurant menu variety in Weston
- grill restaurant menu variety in Wimauma
- grill restaurant menu variety in Winter Garden
- grill restaurant menu variety in Winter Haven
- grill restaurant menu variety in Winter Park
List of local businesses, places and services in Florida
⭐ business help 🔍 services ☎ phones 🕒 opening times ✍️reviews 🌍 addresses, locations 📷 photos