Αποστολέας Θέμα: εργασια πανεπιστημιου  (Αναγνώστηκε 927 φορές)

jojo

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εργασια πανεπιστημιου
« στις: 21 Οκτ 2013, 08:39:44 μμ »
ΚΑΛΗΣΠΕΡΑ ΣΕ ΟΛΗ ΤΗΝ ΠΑΡΕΑ!!!ΘΑ ΗΘΕΛΑ ΜΙΑ ΧΑΡΗ ΠΑΙΔΙΑ, ΟΠΟΙΟΣ ΕΙΝΑΙ ΠΡΟΘΥΜΟΣ ΑΣ ΜΕ ΒΟΗΘΗΣΕΙ ΠΑΡΑΚΑΛΩ..
ΕΧΩ ΜΙΑ ΕΡΓΑΣΙΑ ΣΤΟ ΠΑΝΕΠΙΣΤΗΜΙΟ,ΠΟΥ ΠΑΡΟΤΙ ΦΑΝΤΑΖΕΙ ΓΕΛΟΙΑ,ΔΕΝ ΕΧΩ ΙΔΕΑ ΠΟΥ ΘΑ ΒΡΩ ΥΛΙΚΟ ΓΝ ΕΙΝΑΙ ΟΛΟΚΛΗΡΩΜΕΝΗ :-X...
ΤΟ ΘΕΜΑ ΕΙΝΑΙ : '' ΓΤ Ο ΥΠΟΛΟΓΙΣΤΗΣ ΔΕΝ ΕΠΙΤΡΕΠΕΙ ΤΗΝ ΧΡΗΣΗ ΤΩΝ ΣΥΜΒΟΛΩΝ <,>, ? ΚΑΙ ΑΛΛΑ ΣΤΗΝ ΜΕΤΟΝΟΜΑΣΙΑ ΑΡΧΕΙΩΝ'' ευχαριστω προκαταβολικα :) ;D

ikariofil

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Απ: εργασια πανεπιστημιου
« Απάντηση #1 στις: 22 Οκτ 2013, 10:55:54 πμ »
Δεν μπορείτε να δημιουργήσετε ένα φάκελο με το όνομα "CON", ούτε μπορείτε να μετονομάσετε ένα υπάρχον φάκελο "CON".  "CON" και μια σειρά από άλλες ακολουθίες χαρακτήρων είναι στην πραγματικότητα δεσμευμένα ονόματα που πηγαίνουν πίσω στις ημέρες του DOS και δεν μπορεί να χρησιμοποιηθεί σε φακέλους όνομα ή τα αρχεία. Άλλα δεσμευμένα ονόματα είναι:
PRN
AUX
NUL
LPT1
COM1
γράμμα μονάδας δίσκου - A: έως το Ω:


Reserved characters and words[edit]

All file systems did not always provide the same character set for composing a filename. Before Unicode became a de facto standard, file systems were mostly working on the basis of a character set depending on the locale, while some new systems permit a filename to be composed of about every character of the Unicode repertoire, with some specific limitations.
Depending on the system, limitation can be provided by the file system, by the operating system, by the application, or by the user need of interoperability with other systems.
The basic character set might be limited to a subset of unicode characters, such as a 256 values 8 bit encoding, be based on Unicode character set, or include special bytes sequences which do not form any valid unicode character.
Many file system utilities prohibit control characters from appearing in filenames. In Unix-like file systems the null character, as that is the end-of-string indicator[14] and the path separator / are prohibited.
When they allow any Unicode character, some file system utilities and naming conventions prohibit some particular characters from appearing in filenames:[15]
Character   Name - Reason
/   slash   used as a path name component separator in Unix-like, Windows, and Amiga systems. (The MS-DOS command.com shell would consume it as a switch character, but Windows itself always accepts it as a separator.[16][vague])

\   backslash   Also used as a path name component separator in MS-DOS, OS/2 and Windows (where there are few differences between slash and backslash); allowed in Unix filenames

?   question mark   used as a wildcard in Unix, Windows and AmigaOS; marks a single character. Allowed in Unix filenames, see Note 1

%   percent   used as a wildcard in RT-11; marks a single character.

*   asterisk or star   used as a wildcard in Unix, MS-DOS, RT-11, VMS and Windows. Marks any sequence of characters (Unix, Windows, later versions of MS-DOS) or any sequence of characters in either the basename or extension (thus "*.*" in early versions of MS-DOS means "all files". Allowed in Unix filenames

:   colon   used to determine the mount point / drive on Windows; used to determine the virtual device or physical device such as a drive on AmigaOS, RT-11 and VMS; used as a pathname separator in classic Mac OS. Doubled after a name on VMS, indicates the DECnet nodename (equivalent to a NetBIOS (Windows networking) hostname preceded by "\\".). Colon is also used in Windows to separate an alternative data stream from the main file.

|   vertical bar or pipe   designates software pipelining in Unix and Windows; allowed in Unix filenames

"   quote   used to mark beginning and end of filenames containing spaces in Windows

<   less than   used to redirect input, allowed in Unix filenames

>   greater than   used to redirect output, allowed in Unix filenames
.   period or dot   allowed but the last occurrence will be interpreted to be the extension separator in VMS, MS-DOS and Windows. In other OSes, usually considered as part of the filename, and more than one period (full stop) may be allowed. In Unix, a leading period means the file or folder is normally hidden.
« Τελευταία τροποποίηση: 22 Οκτ 2013, 11:12:22 πμ από ikariofil »