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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 SUSE

acl_init

ACL_INIT(3)						   BSD Library Functions Manual 					       ACL_INIT(3)

NAME

     acl_init -- initialize ACL working storage

LIBRARY

     Linux Access Control Lists library (libacl, -lacl).

SYNOPSIS

     #include <sys/types.h>
     #include <sys/acl.h>

     acl_t
     acl_init(int count);

DESCRIPTION

     The acl_init() function allocates and initializes the working storage for an ACL of at least count ACL entries.  The ACL created initially
     contains no ACL entries.  A pointer to the working storage is returned.

     This function may cause memory to be allocated.  The caller should free any releasable memory, when the new ACL is no longer required, by
     calling acl_free(3) with the (void*)acl_t returned by acl_init() as an argument.

RETURN VALUE

     On success, this function returns a pointer to the working storage.  On error, a value of (acl_t)NULL is returned, and errno is set appropri-
     ately.

ERRORS

     If any of the following conditions occur, the acl_init() function returns a value of (acl_t)NULL and sets errno to the corresponding value:

     [EINVAL]		The value of count is less than zero.

     [ENOMEM]		The acl_t to be returned requires more memory than is allowed by the hardware or system-imposed memory management con-
			straints.

STANDARDS

     IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)

SEE ALSO

     acl_get_file(3), acl_free(3), acl(5)

AUTHOR

     Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
     <a.gruenbacher@bestbits.at>.

Linux ACL							  March 23, 2002							 Linux ACL