舔食 发表于 2025-3-25 07:10:08
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Signals and Signal Processing,rspective. It treats signals as interrupts to processes, which diverts a process from its normal executions to do signal processing. It explains sources of signals, which include signals from hardware, exceptions and other processes. Then it uses examples to illustrate common usage of signals in UniAssignment 发表于 2025-3-25 15:17:20
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System Calls for File Operations,ystem calls for file operations. It lists and explains the most commonly used system calls for file operations. It explains hard link and symbolic link files. It explains the stat system call in detail. Based on the stat information, it develops a ls-like program to display directory contents and fiInsatiable 发表于 2025-3-26 00:00:51
Library I/O Functions,ams to show the relationship between library I/O functions and system calls, and it explains their similarities and fundamental differences. It describes the algorithms of library I/O functions in detail. These include the algorithms of fread, fwrite and fclose, with an emphasis on their interactiontendinitis 发表于 2025-3-26 02:57:50
Sh Programming,ference between interpreted and compiled languages. It shows how to write sh scripts in detail. These include sh variables, sh statements, sh built-in commands, regular system commands and command substitution. Then it explains sh control statements, which include test conditions, for loop, while lo愤慨点吧 发表于 2025-3-26 07:37:43
EXT2 File System,mpatible. The premise is that if the reader understands one file system well, it should be easy to adapt to any other file systems. It first describes the historic role of EXT2 file system in Linux and the current status of EXT3/EXT4 file systems. It uses programming examples to show the various EXTConfidential 发表于 2025-3-26 09:55:58
Block Device I/O and Buffer Management,es the buffer management algorithm of Unix and points out its shortcomings. Then it uses semaphores to design new buffer management algorithms to improve the efficiency and performance of the I/O buffer cache. It is shown that the simple PV algorithm is easy to implement, has good cache effect and iSurgeon 发表于 2025-3-26 15:16:18
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