diff --git a/torreblam-tp12-reponses.txt b/torreblam-tp12-reponses.txt
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index 0000000..e7396e4
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+++ b/torreblam-tp12-reponses.txt
@@ -0,0 +1,138 @@
+Les expressions régulières
+Les commandes grep - sed
+
+III. 
+1. grep "\.ipv[46]\." sysctl.conf 
+
+[torreblam@salle231-06 DIR]$ grep ".ipv[4-6]." sysctl.conf
+net.ipv4.tcp_syncookies = 1
+#net.ipv4.conf.all.log_martians = 1
+#net.ipv4.conf.all.accept_redirects = 0
+#net.ipv4.conf.all.accept_source_route = 0
+#net.ipv6.conf.all.accept_redirects = 0
+#net.ipv6.conf.all.accept_source_route = 0
+net.ipv4.ip_forward = 0
+net.ipv6.conf.all.forwarding = 0
+net.ipv6.conf.default.use_tempaddr = 2
+net.ipv6.conf.all.use_tempaddr = 2
+#net.ipv4.ip_local_port_range = 32768    61000
+
+
+2. grep -v "^#" sysctl.conf 
+
+[torreblam@salle231-06 DIR]$ grep -v "#" sysctl.conf
+
+
+net.ipv4.tcp_syncookies = 1
+
+
+
+net.ipv4.ip_forward = 0
+net.ipv6.conf.all.forwarding = 0
+
+net.ipv6.conf.default.use_tempaddr = 2
+net.ipv6.conf.all.use_tempaddr = 2
+
+
+
+
+
+kernel.sysrq = 0
+
+
+
+
+
+
+
+
+
+
+
+3. grep -i "_root_" ca-certificates.conf
+
+[torreblam@salle231-06 DIR]$ grep -i "_root_" ca-certificates.conf
+mozilla/America_Online_Root_Certification_Authority_1.crt
+mozilla/America_Online_Root_Certification_Authority_2.crt
+mozilla/Certum_Root_CA.crt
+mozilla/Chambers_of_Commerce_Root_-_2008.crt
+mozilla/DST_Root_CA_X3.crt
+mozilla/Deutsche_Telekom_Root_CA_2.crt
+mozilla/DigiCert_Assured_ID_Root_CA.crt
+mozilla/DigiCert_Global_Root_CA.crt
+mozilla/DigiCert_High_Assurance_EV_Root_CA.crt
+mozilla/Entrust_Root_Certification_Authority.crt
+mozilla/Firmaprofesional_Root_CA.crt
+mozilla/GlobalSign_Root_CA.crt
+mozilla/GlobalSign_Root_CA_-_R2.crt
+mozilla/GlobalSign_Root_CA_-_R3.crt
+mozilla/Global_Chambersign_Root_-_2008.crt
+mozilla/Go_Daddy_Root_Certificate_Authority_-_G2.crt
+mozilla/Hongkong_Post_Root_CA_1.crt
+mozilla/Microsec_e-Szigno_Root_CA.crt
+mozilla/Microsec_e-Szigno_Root_CA_2009.crt
+mozilla/OISTE_WISeKey_Global_Root_GA_CA.crt
+mozilla/QuoVadis_Root_CA.crt
+mozilla/QuoVadis_Root_CA_2.crt
+mozilla/QuoVadis_Root_CA_3.crt
+mozilla/RSA_Root_Certificate_1.crt
+mozilla/S-TRUST_Authentication_and_Encryption_Root_CA_2005_PN.crt
+mozilla/Security_Communication_Root_CA.crt
+mozilla/Sonera_Class_1_Root_CA.crt
+mozilla/Sonera_Class_2_Root_CA.crt
+mozilla/Staat_der_Nederlanden_Root_CA.crt
+mozilla/Staat_der_Nederlanden_Root_CA_-_G2.crt
+mozilla/Starfield_Root_Certificate_Authority_-_G2.crt
+mozilla/Starfield_Services_Root_Certificate_Authority_-_G2.crt
+mozilla/Swisscom_Root_CA_1.crt
+mozilla/TDC_Internet_Root_CA.crt
+mozilla/TDC_OCES_Root_CA.crt
+mozilla/TURKTRUST_Certificate_Services_Provider_Root_1.crt
+mozilla/TURKTRUST_Certificate_Services_Provider_Root_2.crt
+mozilla/TWCA_Root_Certification_Authority.crt
+mozilla/UTN_DATACorp_SGC_Root_CA.crt
+mozilla/UTN_USERFirst_Email_Root_CA.crt
+mozilla/UTN_USERFirst_Hardware_Root_CA.crt
+mozilla/VeriSign_Universal_Root_Certification_Authority.crt
+mozilla/WellsSecure_Public_Root_Certificate_Authority.crt
+mozilla/Wells_Fargo_Root_CA.crt
+mozilla/certSIGN_ROOT_CA.crt
+mozilla/ePKI_Root_Certification_Authority.crt
+mozilla/thawte_Primary_Root_CA.crt
+mozilla/thawte_Primary_Root_CA_-_G2.crt
+mozilla/thawte_Primary_Root_CA_-_G3.crt
+
+
+4. grep "_Class_[::digit::]" ca-certificates.conf
+
+[torreblam@salle231-06 DIR]$ grep  "_Class_[[:digit:]]" ca-certificates.conf
+mozilla/Buypass_Class_2_CA_1.crt
+mozilla/Buypass_Class_3_CA_1.crt
+mozilla/Certplus_Class_2_Primary_CA.crt
+mozilla/Go_Daddy_Class_2_CA.crt
+mozilla/Sonera_Class_1_Root_CA.crt
+mozilla/Sonera_Class_2_Root_CA.crt
+mozilla/Starfield_Class_2_CA.crt
+mozilla/TC_TrustCenter_Class_2_CA_II.crt
+mozilla/TC_TrustCenter_Class_3_CA_II.crt
+mozilla/ValiCert_Class_1_VA.crt
+mozilla/ValiCert_Class_2_VA.crt
+mozilla/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G4.crt
+mozilla/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G5.crt
+mozilla/Verisign_Class_1_Public_Primary_Certification_Authority.crt
+mozilla/Verisign_Class_1_Public_Primary_Certification_Authority_-_G2.crt
+mozilla/Verisign_Class_1_Public_Primary_Certification_Authority_-_G3.crt
+mozilla/Verisign_Class_2_Public_Primary_Certification_Authority_-_G2.crt
+mozilla/Verisign_Class_2_Public_Primary_Certification_Authority_-_G3.crt
+mozilla/Verisign_Class_3_Public_Primary_Certification_Authority.crt
+mozilla/Verisign_Class_3_Public_Primary_Certification_Authority_-_G2.crt
+mozilla/Verisign_Class_3_Public_Primary_Certification_Authority_-_G3.crt
+mozilla/Verisign_Class_4_Public_Primary_Certification_Authority_-_G3.crt
+
+5. grep -rl KEYMAP .
+
+[torreblam@salle231-06 DIR]$ grep -rl KEYMAP .
+./vconsole.conf
+
+
+6. 
\ No newline at end of file