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UNIX for Dummies Questions & Answers
vi does not open file properly....
Post 302472959 by ctsgnb on Thursday 18th of November 2010 02:39:31 PM
11-18-2010
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LEARN ABOUT HPUX
dup
dup(2) System Calls Manual dup(2) NAME
dup - duplicate an open file descriptor SYNOPSIS
DESCRIPTION
fildes is a file descriptor obtained from a or system call. returns a new file descriptor having the following in common with the origi- nal: o Same open file (or pipe). o Same file pointer (i.e., both file descriptors share one file pointer). o Same access mode (read, write or read/write). o Same file status flags (see fcntl(2), The new file descriptor is set to remain open across system calls. See fcntl(2). The file descriptor returned is the lowest one available. RETURN VALUE
Upon successful completion, the file descriptor is returned as a non-negative integer. Otherwise, a value of -1 is returned and is set to indicate the error. ERRORS
fails if one or more of the following is true: fildes is not a valid open file descriptor. Request violates the maximum number of open file descriptors. AUTHOR
was developed by AT&T and HP. SEE ALSO
close(2), creat(2), dup2(2), exec(2), fcntl(2), open(2), pipe(2), privileges(5). STANDARDS CONFORMANCE
dup(2)