voici un détail de ce que j'ai en output avec un ls, tar...n'importe quelles commandes demandé au man:

> <standard input>:3: warning: can't find character with input code 2
> <standard input>:3: warning: can't find character with input code 3
> <standard input>:3: warning: can't find character with input code 12
> <standard input>:3: warning [p 1, 0.2i]: can't break line
> <standard input>:4: warning: can't find character with input code 7
> <standard input>:4: warning: can't find character with input code 127
> <standard input>:4: warning: can't find character with input code 5
> <standard input>:4: warning: numeric expression expected (got `?')
> <standard input>:4: warning: can't find character with input code 6
> <standard input>:4: warning [p 1, 0.3i]: cannot adjust line
> <standard input>:4: warning [p 1, 0.5i]: can't break line
> <standard input>:4: warning: can't find character with input code 4
> <standard input>:4: warning [p 1, 0.8i]: cannot adjust line
> <standard input>:5: warning [p 1, 1.0i]: cannot adjust line
> <standard input>:5: warning [p 1, 1.2i]: cannot adjust line
> <standard input>:5: warning [p 1, 1.3i]: can't break line
> <standard input>:5: warning [p 1, 1.5i]: cannot adjust line
> <standard input>:5: warning [p 1, 1.7i]: can't break line
> grotty:<standard input>:6: character above first line discarded
> <standard input>:8: warning [p 1, 2.0i]: cannot adjust line
> <standard input>:8: warning [p 1, 2.2i]: cannot adjust line
> <standard input>:9: warning [p 1, 2.3i]: cannot adjust line
> <standard input>:9: warning [p 1, 2.5i]: can't break line
> <standard input>:9: warning [p 1, 2.7i]: cannot adjust line
> <standard input>:9: warning [p 1, 2.8i]: can't break line
> ?<tar.1X?n?H}????0?@/??Nb'?$?akf/N???5o ???T??x7uwU-
> uw??SU|: ???N??
> LN~???????????j?_???=??n?0w?z?Z;&??iz??<??l????zPm??????MW?C^-??y?(??szu}{yM^?Tt??>??g???8M???????>}???+?<??0a"?.?u-
>
> f?QUf'4&??v?c?7Y??H?z?m??Ris2?y???Uj?i??c??:?????_y?+8c/??02_}3?
> nm7????/??J??MWz?',??Ew??ng??W/??nScJ?W:??6o4]`?u?P=n?f??;????I?c?6??+?j?U<?eU?*?`?+??/y?be
>
> n??=K?+??u;??y-
> 4?fb])?.R?????S?R?X?RYZ9 d???Q?B???~e?+?B?6p?=?D<????1?x??-
> N?&?o????~?{'N?y??????????;ZC"????5n?????/AA`?????? ??-
> ??L?7R?j0w+?.xt?" m]?6g?.L<?&i^??)N??0D??-??
> <%H??(i??@????/6?????3??C????"??^????+7?2_x~?1??k?k?)o?mR?????
> bXk???q?????fs?u4?$?{w:?;??tL?????'6???PT??????????jM>G?U?QT=??I?:?o:?)?i??1%?
>
> ??g??tM6U??? ??WW2M?
> IIG nuy???$:?ST&+o#%?LBY+HY?k????5?VeM?x
> ??D?65$C{???eC8?m?YI?O?u???s?[??[7??Dn?,?Z???8Z?E?d4??+??^?1?{????n?w???v?u?_:?p???u??/2>un6Z...?
>
> pI8hl:???`#zh????C??zGHII???&???o]??|6;??=00}MW?e?7?<r~?Q?WN#>j?vq?B??~L+o60;??!=
>
> {"?? ?/:?jD^f0?R?????"0 K????l'?qwo?]...M)?X???:??h??????1??4??
> &c??GC??cS???:!t5{~CWBR.?O?B8??~???$?????JEY_6???)
> GHFp????S??L-4???8<??Rs??X-
> ?:???/F?????????x`1F?(MRs#<?v??E?(jZ??$?
> ?w??_d;[??d??i58SGm??????????|A+a??.???b?kMQ?WdG@?%#:R??=-?qt9`?8???A?A?|??}??}?N??s5L{?{u5?,?????CR??
>
> *?`???d~??M??Bx_]7nw?Z??U[???????V?
> ???)<??tZ at Vv?eC??.b?u?rqH?m[?#??:GcQ???It/??W,????:??l??&?(???j??8cii?I|???7j?~?l'Q???E?&Tk-
>
> Biv+Au???]h8??OR%??'??/z??????d?????i???Pb?"?7{6q??
> ]I;?=?"[5??[/??sF???V???n!wR?w??????e?x?Z+?/y?uM??N?=_???T????lv????`?,?N&?/???@.s2sd?$H#1+-
>
> :?"|7?zGkyh?hpd.??2z g?d[&M ?ZP-
> WX?>?)??#_iZ}WKJ?w+??[4??he?2?&??)M??N?>Ww?TnO??"0.pl 760u+10
>
> (END)

quelqu'un peut il m'aider ?

merci d'avance,
Alim