{"id":1878,"date":"2025-07-03T11:40:19","date_gmt":"2025-07-03T10:40:19","guid":{"rendered":"https:\/\/workboot.fr\/ciela\/?page_id=1878"},"modified":"2025-07-03T18:48:54","modified_gmt":"2025-07-03T17:48:54","slug":"signaux-clavier-dans-le-terminal-linux","status":"publish","type":"page","link":"https:\/\/workboot.fr\/ciela\/signaux-clavier-dans-le-terminal-linux\/","title":{"rendered":"Signaux clavier dans le terminal Linux"},"content":{"rendered":"\n

\ud83c\udfb9 Signaux clavier dans un terminal Linux<\/h2>\n\n\n\n
Combinaison<\/strong><\/th>Nom du signal<\/strong><\/th>Description<\/strong><\/th><\/tr><\/thead>
Ctrl+C<\/code><\/td>SIGINT<\/code> (2)<\/td>Interrompt (interruption) le processus en cours. C\u2019est le classique \u201cstopper un programme\u201d.<\/td><\/tr>
Ctrl+Z<\/code><\/td>SIGTSTP<\/code> (20)<\/td>Suspend (pause) le processus courant (le met en arri\u00e8re-plan, stopp\u00e9). Peut \u00eatre repris avec fg<\/code>.<\/td><\/tr>
Ctrl+\\<\/code><\/td>SIGQUIT<\/code> (3)<\/td>Termine le processus et cr\u00e9e un core dump<\/strong> (utile en d\u00e9bogage).<\/td><\/tr>
Ctrl+D<\/code><\/td>EOF (End Of File)<\/strong><\/td>Ce n\u2019est pas un signal<\/strong> mais une indication d\u2019entr\u00e9e termin\u00e9e (fin de fichier). Elle peut arr\u00eater cat<\/code>, read<\/code>, etc.<\/td><\/tr>
Ctrl+S<\/code><\/td>(XOFF)<\/td>Fige<\/strong> le terminal (pause de l’affichage).<\/td><\/tr>
Ctrl+Q<\/code><\/td>(XON)<\/td>Reprend<\/strong> l’affichage apr\u00e8s un Ctrl+S<\/code>.<\/td><\/tr>
Ctrl+L<\/code><\/td>(aucun signal)<\/td>Efface l’\u00e9cran du terminal (\u00e9quivalent \u00e0 clear<\/code>).<\/td><\/tr>
Ctrl+U<\/code><\/td>(aucun signal)<\/td>Supprime tout ce que tu as tap\u00e9 sur la ligne actuelle.<\/td><\/tr>
Ctrl+W<\/code><\/td>(aucun signal)<\/td>Supprime le dernier mot tap\u00e9.<\/td><\/tr>
Ctrl+A<\/code><\/td>(aucun signal)<\/td>D\u00e9place le curseur au d\u00e9but<\/strong> de la ligne.<\/td><\/tr>
Ctrl+E<\/code><\/td>(aucun signal)<\/td>D\u00e9place le curseur \u00e0 la fin<\/strong> de la ligne.<\/td><\/tr>
Ctrl+K<\/code><\/td>(aucun signal)<\/td>Supprime du curseur jusqu\u2019\u00e0 la fin de la ligne.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Ctrl+C<\/h2>\n\n\n\n

arr\u00eate d\u00e9finitivement le processus en cours! <\/p>\n\n\n\n

etudiant@ordi:~\/Works\/TP0_LINUX$ sleep 300\n\n^C<\/mark>\netudiant@ordi:~\/Works\/TP0_LINUX$ <\/code><\/pre>\n\n\n\n
on voit que le travail , ici dormir 300 secondes est interrompu pour toujours avec SIGINT <\/p>\n\n\n\n
autre d\u00e9mo avec la commande yes , qui permet de boucler \u00e0 l’infini soit y avec yes seul , ici surprise:<\/p>\n\n\n\n
etudiant@ordi:~\/Works\/TP0_LINUX$ yes \"Caroline Dorian\"\nCaroline Dorian\n...\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Do^C<\/mark>\netudiant@ordi:~\/Works\/TP0_LINUX$ <\/code><\/pre>\n\n\n\n
Permet d\u2019arr\u00eater totalement le processus <\/p>\n\n\n\n
Ctrl+Z<\/h2>\n\n\n\n
Stop le processus en cours .. mais pas d\u00e9finitivement !<\/p>\n\n\n\n
etudiant@ordi:~\/Works\/TP0_LINUX$ yes \"Caroline Dorian\"\nCaroline Dorian\n..\n..\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian^Z\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$<\/code><\/pre>\n\n\n\n
on a repris la main !! mais le processus est juste stopp\u00e9 <\/p>\n\n\n\n
la preuve :<\/p>\n\n\n\n
etudiant@ordi:~\/Works\/TP0_LINUX$ jobs\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$ <\/code><\/pre>\n\n\n\n
int\u00e9r\u00eat c’est qu’on repris la main !<\/p>\n\n\n\n
et maintenant on dispose de 2 fonctions bg<\/strong> (background)  fg<\/strong> (foreground)<\/p>\n\n\n\n
etudiant@ordi:~\/Works\/TP0_LINUX$ jobs\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$ fg %1  #%1 job 1\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\n.....\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Dorian\nCaroline Do^Z\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$ <\/code><\/pre>\n\n\n\n
etudiant@ordi:~\/Works\/TP0_LINUX$ jobs\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$ jobs\n[1]+  Arr\u00eat\u00e9                yes \"Caroline Dorian\"\netudiant@ordi:~\/Works\/TP0_LINUX$ bg %1<\/code><\/pre>\n\n\n\n
il passe en background mais \u00e7a affiche tellement qu’on a plus la main<\/p>\n\n\n\n
Solution: ouvrir un autre terminal<\/mark> ! et avec la fonction kill (tuer)  on va envoyer le signal <\/a>9 a ce processus<\/p>\n\n\n\n
etudiant@ordi:~$ ps -ax\n    PID TTY      STAT   TIME COMMAND\n      1 ?        Ss     0:04 \/sbin\/init splash\n      2 ?        S      0:00 [kthreadd]\n      3 ?        S      0:00 [pool_workqueue_release]\n...\n   6673 pts\/4    Ss     0:00 -bash\n   6698 ?        R      0:00 [kworker\/u2:2-events_unbound]\n   6712<\/mark> pts\/3    R      0:01 yes Caroline Dorian\n   6714 pts\/4    R+     0:00 ps -ax\netudiant@ordi:~$ kill -9 6712<\/mark>\netudiant@ordi:~$ <\/code><\/pre>\n\n\n\n
on retrouve la main ! sur l’autre OUF ! on garde le contr\u00f4le<\/p>\n\n\n\n
si on fait -20 , c’est juste un stop !! <\/p>\n\n\n\n
Amusant tout \u00e7a non ?<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\ud83c\udfb9 Signaux clavier dans un terminal Linux Combinaison Nom du signal Description Ctrl+C SIGINT (2) Interrompt (interruption) le processus en cours. C\u2019est le classique \u201cstopper un programme\u201d. Ctrl+Z SIGTSTP (20) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-1878","page","type-page","status-publish","hentry"],"yoast_head":"\nSignaux clavier dans le terminal Linux - workboot<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/workboot.fr\/ciela\/signaux-clavier-dans-le-terminal-linux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Signaux clavier dans le terminal Linux - workboot\" \/>\n<meta property=\"og:description\" content=\"\ud83c\udfb9 Signaux clavier dans un terminal Linux Combinaison Nom du signal Description Ctrl+C SIGINT (2) Interrompt (interruption) le processus en cours. 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