I have been reading books and taking some notes recently.
The operating system used in this article is centos7.0. If you do not want to install a dual-system, you can install a virtual machine, refer to here:
Http://blog.csdn.net/alex_my/article/details/38142229
Of course, it would be better to install it directly.
1 link: http://blog.csdn.net/alex_my/article/details/39079053
Subject: file descriptor, system resource restriction, file-related, close-on-exec,
Involved functions: getrlimit, setrlimit lseek, open, creat, close, pthread, pwrite, dup, dup2, dup3 fcntl, opctl
2 link: http://blog.csdn.net/alex_my/article/details/39184461
Subject: file and directory, file type and judgment, real user/group ID, valid user/group ID File Permission, file hole, file truncation, symbolic link
Involved functions: stat, fstat, lstat, fstatat access, faccessat, chmod, fchmod, fchmodat truncate, ftruncate symlink, symlinkat, readlink, readlinkat
3 link: http://blog.csdn.net/alex_my/article/details/39250563
Subject: Standard stream related, file, binary I/O, and format
Involved functions: fwide, setbuf, javasfopen, fdopen, freopen GETC, fgetc, getchar, putc, fputc, putchar gets, fgets, fputs, puts fread, fwrite dprintf, vdprintf, printf, fprintf, sprintf, snprintf vprintf, vfprintf, vsprintf, vsnprintf scanf, fscanf, sscanf vscanf, vsscanf, vfscanf fmemopen, open_memstream, open_wmemstream
4 link: http://blog.csdn.net/alex_my/article/details/39294513
Subject: Password File, shadow passwords, group file, local host name
Involved functions: getpwnam, getpwuid, signature, response getpwent, setpwent, endpwent getspnam, getspent, setspent, endspent fgetspent, sgetspent, putspent identifier, response getgrnam, signature, expires gethostname
5 links: http://blog.csdn.net/alex_my/article/details/39295653
Subject involved: Date and Time
Involved functions: time, clock_getres, clock_gettime, clock_settime gettimeofday asctime, asctime_r ctime, ctime_r gmtime, gmtime_r localtime, localtime_r mktime strftime, strptime
6 links: http://blog.csdn.net/alex_my/article/details/39318607
Subject involved: Process exited
Involved functions: exit, _ exit, _ exit, atexit
7-http://blog.csdn.net/alex_my/article/details/39345931
Subject: process ID, sub-process, process exit, orphan process, and zombie Process
Involved functions: getpid, getppid, getuid, geteuid, getgid, getegid fork, vfork wait, waitpid, waitid
Reading Notes for advanced programming in UNIX
