Nom réel de fichier

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Author: Hervé de Dianous
Date:  
To: guilde
Subject: Nom réel de fichier
Hello !
Question du tréfond du système de fichier.
Puisqu'il est question de "root-kit", je farfouille dans mon système
avec une Knoppix, et, ho surprise, je trouve dans /usr/bin un fichier
qui date un peu (06-2001) et qui se nomme "["
Ciel ! Qu'est-ce ?
Est-ce un moyen de masquer un nom de fichier ?
Y a-t'il un moyen de connaître le vrai nom ?

Je joint la sortie de strings qui est d'ailleurs différente de ls.

A+ RV2D
/lib/ld-linux.so.2
libc.so.6
textdomain
printf
stdout
geteuid
getopt_long
__fpending
__ctype_b
getenv
getegid
puts
mbrtowc
malloc
isatty
__dso_handle
opterr
fflush
abort
iswprint
calloc
__ctype_get_mb_cur_max
fprintf
dcgettext
__deregister_frame_info
optind
ferror
realloc
group_member
__xstat64
memset
strcmp
fclose
setlocale
stderr
error
__lxstat64
__errno_location
exit
bindtextdomain
_IO_putc
_IO_stdin_used
__libc_start_main
strchr
fputs
__register_frame_info
mbsinit
__cxa_atexit
__gmon_start__
GLIBC_2.1
GLIBC_2.1.3
GLIBC_2.0
GLIBC_2.2
PTRh
QVhp
Iu(9E
<    w<
;!uU
;-uT
?-u%
8-uR
;!u-
;-u"
8!u-
7[^_
LWVS1
'C;]
uN;]
;C;]
v];]
<WVS
,WVS
PQRh2
PQh>
%s: 
argument expected
integer expression expected %s
')' expected
')' expected, found %s
%s: unary operator expected
%s: binary operator expected
before -lt
after -lt
before -le
after -le
before -gt
after -gt
before -ge
after -ge
-nt does not accept -l
before -ne
after -ne
before -eq
after -eq
-ef does not accept -l
unknown binary operator
after -t
abcdefgkLhprsStuwxOGnz
Try `%s --help' for more information.
Usage: %s EXPRESSION
  or:  [ EXPRESSION ]
  or:  %s OPTION
Exit with the status determined by EXPRESSION.
  --help      display this help and exit
  --version   output version information and exit
EXPRESSION is true or false and sets exit status.  It is one of:
  ( EXPRESSION )               EXPRESSION is true
  ! EXPRESSION                 EXPRESSION is false
  EXPRESSION1 -a EXPRESSION2   both EXPRESSION1 and EXPRESSION2 are true
  EXPRESSION1 -o EXPRESSION2   either EXPRESSION1 or EXPRESSION2 is true
  [-n] STRING          the length of STRING is nonzero
  -z STRING            the length of STRING is zero
  STRING1 = STRING2    the strings are equal
  STRING1 != STRING2   the strings are not equal
  INTEGER1 -eq INTEGER2   INTEGER1 is equal to INTEGER2
  INTEGER1 -ge INTEGER2   INTEGER1 is greater than or equal to INTEGER2
  INTEGER1 -gt INTEGER2   INTEGER1 is greater than INTEGER2
  INTEGER1 -le INTEGER2   INTEGER1 is less than or equal to INTEGER2
  INTEGER1 -lt INTEGER2   INTEGER1 is less than INTEGER2
  INTEGER1 -ne INTEGER2   INTEGER1 is not equal to INTEGER2
  FILE1 -ef FILE2   FILE1 and FILE2 have the same device and inode numbers
  FILE1 -nt FILE2   FILE1 is newer (modification date) than FILE2
  FILE1 -ot FILE2   FILE1 is older than FILE2
  -b FILE     FILE exists and is block special
  -c FILE     FILE exists and is character special
  -d FILE     FILE exists and is a directory
  -e FILE     FILE exists
  -f FILE     FILE exists and is a regular file
  -g FILE     FILE exists and is set-group-ID
  -h FILE     FILE exists and is a symbolic link (same as -L)
  -G FILE     FILE exists and is owned by the effective group ID
  -k FILE     FILE exists and has its sticky bit set
  -L FILE     FILE exists and is a symbolic link (same as -h)
  -O FILE     FILE exists and is owned by the effective user ID
  -p FILE     FILE exists and is a named pipe
  -r FILE     FILE exists and is readable
  -s FILE     FILE exists and has a size greater than zero
  -S FILE     FILE exists and is a socket
  -t [FD]     file descriptor FD (stdout by default) is opened on a terminal
  -u FILE     FILE exists and its set-user-ID bit is set
  -w FILE     FILE exists and is writable
  -x FILE     FILE exists and is executable
Beware that parentheses need to be escaped (e.g., by backslashes) for shells.
INTEGER may also be -l STRING, which evaluates to the length of STRING.
Report bugs to <bug-sh-utils@???>.
/usr/share/locale
sh-utils
POSIXLY_CORRECT
FIXME: ksb and mjb
2.0.11
GNU sh-utils
test
missing `]'
too many arguments
write error
%s: %s
version
help
clocale
locale
escape
shell-always
shell
literal
Copyright (C) 2000 Free Software Foundation, Inc.
%s (%s) %s
%s %s
Written by %s.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
memory exhausted