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Career path help

 
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Old 11-02-2011
Did you read this thread?
https://www.unix.com/im-new-unix-book...hese-days.html

How would you define your basic knowledge?
A good test is to read what is posted here and try to give your solution - and Yes even if you are not sure - someone will correct you in that case and perhaps explain why it was not good - Best way to learn...
Then look what others post and see how they solve the same issue, in UNIX there is no ONLY ONE solution...It will show you different approaches of solving issues because we don't share the same experience, this is the richness of such forums: Share our knowledge based on our individual experience - And learn from others ...( Sorry for my poor English, I'm trying my best - and helped by the forum typo corrector...but of no help when getting furiously frenglish)

All the best
 
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LEARN ABOUT LINUX

chdir

CHDIR(2)						     Linux Programmer's Manual							  CHDIR(2)

NAME

       chdir, fchdir - change working directory

SYNOPSIS

       #include <unistd.h>

       int chdir(const char *path);
       int fchdir(int fd);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       fchdir():
	   Since glibc 2.12:
	       _BSD_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED || _POSIX_C_SOURCE >= 200809L
	   Before glibc 2.12:
	       _BSD_SOURCE || _XOPEN_SOURCE >= 500 _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED

DESCRIPTION

       chdir() changes the current working directory of the calling process to the directory specified in path.

       fchdir() is identical to chdir(); the only difference is that the directory is given as an open file descriptor.

RETURN VALUE

       On success, zero is returned.  On error, -1 is returned, and errno is set appropriately.

ERRORS

       Depending on the file system, other errors can be returned.  The more general errors for chdir() are listed below:

       EACCES Search permission is denied for one of the components of path.  (See also path_resolution(7).)

       EFAULT path points outside your accessible address space.

       EIO    An I/O error occurred.

       ELOOP  Too many symbolic links were encountered in resolving path.

       ENAMETOOLONG
	      path is too long.

       ENOENT The file does not exist.

       ENOMEM Insufficient kernel memory was available.

       ENOTDIR
	      A component of path is not a directory.

       The general errors for fchdir() are listed below:

       EACCES Search permission was denied on the directory open on fd.

       EBADF  fd is not a valid file descriptor.

CONFORMING TO

       SVr4, 4.4BSD, POSIX.1-2001.

NOTES

       The current working directory is the starting point for interpreting relative pathnames (those not starting with '/').

       A  child  process  created via fork(2) inherits its parent's current working directory.	The current working directory is left unchanged by
       execve(2).

       The prototype for fchdir() is only available if _BSD_SOURCE is defined, or _XOPEN_SOURCE is defined with the value 500.

SEE ALSO

       chroot(2), getcwd(3), path_resolution(7)

COLOPHON

       This page is part of release 3.27 of the Linux man-pages project.  A description of the project, and information about reporting bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

Linux								    2010-09-20								  CHDIR(2)