Latest Operating System Aptitude Question SOLUTION: What are the Unix system calls for I/O?

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(#M40029505) OPERATING SYSTEM question operating system Keep an EYE

What are the Unix system calls for I/O?

Asked In Operating System MAN (10 years ago)

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Jyothi P  (9 years ago)

open(pathname,flag,mode) - open file
creat(pathname,mode) - create file
close(filedes) - close an open file
read(filedes,buffer,bytes) - read data from an open file
write(filedes,buffer,bytes) - write data to an open file
lseek(filedes,offset,from) - position an open file
dup(filedes) - duplicate an existing file descriptor
dup2(oldfd,newfd) - duplicate to a desired file descriptor
fcntl(filedes,cmd,arg) - change properties of an open file
ioctl(filedes,request,arg) - change the behaviour of an open file

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