3. Describe the P (Wait) and V (Signal) operations in semaphores and explain their purpose.

Categories

• All Discussions0
• 000 Linux System Administration25
• 001 C Programming, Data Structures101
• » 001.01.Introduction to C1
• » 001.16.Structures21
• 002 OOPs using C++ with Eclipse on Linux23
• » 002.06.Streams and File Processing1
• 003 Linux System Programming375
• » 003.01.Processes-and-Resources-Utilization26
• » 003.01.91.Interview-Questions-Introductory-Concepts20
• » 003.01.92.Interview-Questions-Introductory-Concepts5
• » 003.02.Process-Management. Introduction21
• » 003.02.91.Interview Questions. Intro-to-Processes20
• » 003.03.Process-Management - Process Duplication91
• » 003.03.92.Interview-Questions-Process-Duplication20
• » 003.03.93.Interview-Questions-Process-Duplication20
• » 003.03.94.Interview-Questions-Process-Duplication20
• » 003.03.95.Interview-Questions-Process-Duplication20
• » 003.03.96.Interview-Questions-Process-Duplication10
• » 003.04.Process-Management - Process Replacement67
• » 003.04.81.Assignment. Process Replacement24
• » 003.04.91.Interview-Questions-Process-Replacement20
• » 003.04.92.Interview-Questions-Process-Replacement22
• » 003.05.01.Inter-Process-Communication. Pipes22
• » 003.06.Inter Process Communication. FIFOs21
• » 003.07.Signals and Handlers43
• » 003.07.91.Assignment. Signals and Handlers20
• » 003.07.92.Assignment. Signals and Handlers22
• » 003.08.Inter Process Communication Message Queues1
• » 003.09.Inter Process Communication. Shared Memory1
• » 003.10.Synchronization Techniques. Semaphore21
• » 003.11.POSIX-Threads21
• 004 Linux Network Programming34
• » 004.01.Introduction to Networks and Configurations1
• » 004.02.Networking Basics1
• » 004.03.Introduction-to-Sockets21
• » 004.04.Linux Network stack1
• » 004.05.Transmission Control Protocol1
• 005 Character Device Drivers Development32
• » 005.01.Introduction To Device Drivers11
• 006.Project Evolution with GitLab2
• » 01.Introduction To GitLab1
• 008 Block Device Driver Development4
• » 008.01.Introduction to Block Device Drivers1
• 009 Embedded Linux-ARM. Storage91
• » 009.01.Linux Boot Process28
• » 009.01.14.Linux-Boot-Process5
• » 009.01.15.Introduction to BIOS0
• » 009.01.16.Introduction-to-BIOS-IQs5
• » 009.01.18.Introduction-to-BIOS-IQs5
• » 009.01.20.BIOS CMOS UEFI. IQs5
• » 009.02.Introduction To Embedded Linux1
• » 009.03.01.ARM Processor Architecture1
• » 009.03.02.Programmers Model1
• » 009.04.Boot Loaders50
• » 009.05.Understanding-ARM-Board-Bringup1
• » 009.06-Board Bringup Raspberry Pi1
• » 009.06.Board Bringup. Raspberry Pi41
• 010 Embedded Linux ARM, Configuring and Porting using Storage0
• 011 Shell Scripting using Bash90
• » 011.01.Introduction to Shells and Shell Scripts1
• » 011.02.Basics of Shell Scripting - Bash1
• » 011.03.Conditions and Branching23
• » 011.04.Loops and Iterations/31
• » 011.04.81.Assignment. Branching and Looping10
• » 011.05.Reserved-Words-Bullitin-Commands-Command-Line-Parsing1
• » 011.06.Parameters and Variables1
• » 011.07.Structured Scripting. Functions11
• » 011.08.Arrays-Strings-in-bash11
• » 011.09.File Operations and Commands1
• » 011.10.Writing-Manual-Pages1
• » 011.11.Makefile1
• » 011.12.sed-awk1
• 012 Linux Kernel Architecture and Internals3
• 014. Linux Network Administration296
• » 014.01.Intro to NW and Configurations220
• » 014.01.12.Introduction to Networking10
• » 014.01.14.Packets-IQs10
• » 014.01.16.NetworkLayers10
• » 014.01.18.The Internet Layer20
• » 014.01.20.routes and the kernel routing table10
• » 014.01.22.The Default Gateway5
• » 014.01.24.IPv6 Addresses And Networks20
• » 014.01.26.Basic ICMP And DNS Tools10
• » 014.01.28.The Physical Layer And Ethernet5
• » 014.01.30.Understanding Linux Network Interface5
• » 014.01.32.Intro To Network Interface Configuration5
• » 014.01.34.Boot Activated Network Configuration5
• » 014.01.36.Manual and Boot Activated Nw Config5
• » 014.01.38.Network Configuration Managers10
• » 014.01.40.Resolving Hostnames19
• » 014.01.42.The Transport Layer TCP UDP Services.10
• » 014.01.44.Understanding DHCP5
• » 014.01.46.Automatic IPv6 Network Configuration. IQs5
• » 014.01.48.Configuring Linux as Router5
• » 014.01.50.Private Networks IPv45
• » 014.01.52.Network Address Translation. IP Masquerading5
• » 014.01.54.Routers And Linux5
• » 014.01.56.Linux Firewall Basics5
• » 014.01.58.Setting Firewall Rules5
• » 014.01.60.Firewall Strategies10
• » 014.01.62.Ethernet-IP-ARP-NDP-IQs5
• » 014.01.64.Wireless Ethernet5
• » 014.02.Network Applications and Services11
• » 014.02.12.Basics of Services3
• » 014.02.14.Introduction to Network Servers2
• » 014.02.16.Network Servers. Secure Shell5
• » 014.06.Network Protocol Telnet38
• » 014.06.12.Introduction-To-Telnet3
• » 014.06.14.General Working. Telnet5
• » 014.06.16.General-Working-Telnet5
• » 014.06.18.Network Virtual Terminal3
• » 014.06.20.More About Telnet3
• » 014.06.22.Installing Telnet on Fedora5
• » 014.06.24.Telnet Commands-Fedora3
• » 014.06.26.Using Telnet in Linux5
• » 014.06.28.Secure telnet with FirewallD. Fedora.3
• » 014.06.30.Using Telnet in Linux2
• » 014.06.DHCP. A network management protocol26
• 015 Python with Eclipse on Linux27
• 025.Rust Programming1
• 101 Advanced Data Structures using C18
• 104.Mastering Linux Network Stack1
• » 104.01.Linux Network Stack User-Space1
• 105 Parallel Port Device Drivers Development5
• 205 Serial Port Device Drivers Development3
• 303 Linux System Programming32
• Project 22. Ethernet Network Device Driver Development0
• Query557
• Project.203 Linux System Programming. MySQL0
• Pravjot Sir Classes161
• Events at EmbLogic2
• Project 16: SPI Device Driver Development2
• Project 17: I2C Device Driver Development0
• Project 18: PCI Device Driver Development0
• Project 19: Embedded Linux on ARM Using Network TFTP0
• Project 20: CAN Bus Protocol and Driver Development0
• Project 21: USB Device Drivers Development0
• Embedded Linux0
• ARM Embedded Processor0
• Training2
• Members Area1
• Word From Admin1