From cce55b1b89bd2e90acd8c0166326552d60b8db7c Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Wed, 20 Feb 2019 16:01:32 -0500
Subject: [PATCH 1/6] ex1 done

---
 ex1/ex1   | Bin 0 -> 8480 bytes
 ex1/ex1.c |   8 ++++++++
 2 files changed, 8 insertions(+)
 create mode 100755 ex1/ex1

diff --git a/ex1/ex1 b/ex1/ex1
new file mode 100755
index 0000000000000000000000000000000000000000..5164d09515d0bf8b8ad962419f997d0a992755e5
GIT binary patch
literal 8480
zcmeHMOK4L;6us$3OD%2ckBT3jr4e<}`dhdWQf)BBR%=^P1R0VxHNhk;$qTj%p-{Uh
zTIo`^;!>eIxAg<<N_XnQg@{TE3W6?*i1D2FNnT#my)c*DnS1BXoHzH(Jea(B`Qyv4
zjUs_sk?9%{X@M@)iOh-tOJoN$3RP;L`*h@TWbhnYD<x3r{?Q}O8+24^IC5#YvWqo7
zSlK3ykGV;`qwJxSnV2+b*;0jv1c-Ol?EoL?l%-Cl%MS7KW+9$0HTm(94qlVf!}Z+(
z4G!K0r@_Wk$wYc0kwcpw&vfuQoc{F5dr7M1H<CAVsjQoiAMdV%x6J{d@0AK{1e7Xd
zucxx3DwQ1@xBSZWSak5X<`nvV3_D_%T-Q~oQa#<n-JS^6uVP)@_4TYP_FM^Dscc&1
zr!w*Jw3;w;f5mfQxIZ}F74q+$r&8(Izwm+>&-uA{^u2i8ciw$deh>P3&z_0&^tyZ4
z@Z|}gVpz$G5XUjC_IA8yhpY}F4X7Iokv1!07Y2O%B#eUnm=oiZ@cACRLmfuF2|57v
z3j0#Md3fWrR}2w%uX<z6a1avi^R7ZZ*OgAiyGEzdqwpy^p`6F#{w-rqA0GYo==Q6Q
zC$C?;KY}&`8h}c3qouU1IW*l19E1&OOR^vNTlxC-DW7{B${2H~U-<y~1Le73K0{M^
zGm+^$*@=0j;^+j~2POW5Ve@&w@yVAK&46Y=GoTsJ3}^;41DXNNfS-X2(YcS&na{!H
z$WMlrBkMfzuJ)stS(lbs14eZIL<SXNdr;jftS`zc&%JYz?`u34BYx42Z!N_)Tk)@l
zm!dPzgIAs{6hrsXQVcyn**Cv?9#!{HF?0j<LK20neJU1<NgjjO-oiSSOr=MSP^wV|
zV!1@tv`hqfw%!G$cx#@S`RDx@Dk}e{QfTum-h`1s`;^XR>$pzCFE=rc!8=avk858u
zpc&8%Xa+O`ngPv#W<WEb8PE)91~dbjf&Y(z*7o2aXWbg+WuJ8!uHv{K#^v?-oGeH#
z*cw)2<GE|J+h9-NGTI!2=SV=|Ub04Ik}5Ho7%7+u+<nJ5d~YU}%1VeICTeAxUrs2l
z!RD5LeKW}K4cjfBMfn>C+DqRl+7a^lyjS%4_G3zSwqe&daFbj;H)YMu&dbfHDt|md
F<To(F-4p--

literal 0
HcmV?d00001

diff --git a/ex1/ex1.c b/ex1/ex1.c
index c4b111641..c1e13839c 100644
--- a/ex1/ex1.c
+++ b/ex1/ex1.c
@@ -9,6 +9,14 @@
 int main(void)
 {
     // Your code here
+    int x = 100;
+    if(fork() == 0){
+        x = 30;
+        printf("Child %i\n", x);
+    }else{
+        x = 20;
+        printf("Parent %i\n", x);
+    }
 
     return 0;
 }

From 04fece89ab9e5460b44fd0838e455231b72a647f Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Wed, 20 Feb 2019 17:00:39 -0500
Subject: [PATCH 2/6] ex2 done answered questions for ex1 and ex2

---
 ex1/ex1.c    |   2 ++
 ex2/ex2      | Bin 0 -> 8664 bytes
 ex2/ex2.c    |  15 ++++++++++++++-
 ex2/text.txt |   1 +
 4 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100755 ex2/ex2

diff --git a/ex1/ex1.c b/ex1/ex1.c
index c1e13839c..48bd43892 100644
--- a/ex1/ex1.c
+++ b/ex1/ex1.c
@@ -20,3 +20,5 @@ int main(void)
 
     return 0;
 }
+
+//A: the variable will be unique to each instance when the variable value is changed
diff --git a/ex2/ex2 b/ex2/ex2
new file mode 100755
index 0000000000000000000000000000000000000000..18368eb30836bc140181a16970be8d146b2a8b3a
GIT binary patch
literal 8664
zcmeHN!D}2<7=N3l8f$1aht`S;liDq{ElJb{st`y@hHf>))J92#^2}x@?&9q1GCQlu
zK?sB%mJrBE@GofTsYpGkRj_D0luA!M^iZ&t4OHk+g6;bIy?L`cJ88TL9^MDv`@Y}%
zzW2?W-<yFq`}Wq>pHH3@BDG71<t`yaAN0p=Aub9Fo)9lWvrs9g$4}cI+3&x{-cCt%
z!lxqExr0P0XYART&J;C1-PtEJ#@xhit;~=za25l4p(N`~@5Rj^^n;EQ<96E8EtcDW
z^{PQFS8a7A>!m>m>mAY=5sn7*=z7oSj<B9AIBv!9(U+`uLf4zr`NZVCCEMmVUk&`C
z_lZtO)?3!~-qdm8xOCJ;K+2l;dC|+uqPI|1xN|+O>3Upq3URVV7ztahYXd6f#Q4m3
zEQ0mxSl4KMW9y1%u2ow~&z04sQm*XEO5pEUFDk?5gX1G1|Ir$-PfB<0-|D3?p7R@K
zGK4r@kI!9?iiA!3J(xT*^{zc}CVGag#C-x&_^eY{N4p9i#CxW$X@&KBU=OHB*jT``
za2H{jNA4NF3j7@G;(!nz!#)q4hQ@`tR9<r@8N+zI65E7*7PJ>SRIB<!ZZS8MUvl%n
zl$W5K$Cu*l^{wwlzW(Ngo4?;We17!}^jXjpRP5cOl)mD!_p8)V_@K5WM{xhF!}l^S
zyzWUTW4wpm8~5?rrrLACe9kRZ1E(~2Y7p}(=8yzA3}yYxR><dT8j~+0h5^HXVZbn8
z7%&VN1`GrLJp&(P>wjcd9u8;MMhCDD%&v{R3iFHoH!t0|f+kzHA2lw)S@}!!T^wc4
z+DJ;}?t4tM`o*KGqOq#oy8W<GQc0r^VCp|3R-<D#Ho0NM;2X;9yG;`gp3-jJzTe<3
z8ngKpMh)hmx_ytC4Q@hT|Fv%4t#4#kZVX@eX}y`*LSHk(`8G38RLjk6Gt;HoZnTqY
zuiQjn{9H5hJ?we`jo5t9Y&HulxOtb}%k*y3<Cb)DgWd?e>+~k*U4zH3*}(u`wEi)X
zsfzhR(ajHp=4~sJ-y<q>zT*Yjs2;V~W_e27a^K8-^$A!izf~#pxgYPv$g~>G-nOHV
zZYK2i-;}nq+UB%%wf#)n_*ml`1`Gp+0mFb{z%XDKFbo(53<HJ%!+>GHF!29mp#Na{
zL(Z&!jE8;dFkI$vK8(Zbv%Xjte!725F3h{-szY>usOUOgnaCn4R~(Pvhywnn^oQwJ
zaBLkc5S|2VA<aWd;#|K=mI~5YbmnV;gER9vUUr}~SM)@NKW6L_zeT@qL=L<AQsIdr
zeu@$M6%K#*AZ9)+T_uOm#_{n4=DB%1{#F8?O5k@AIGkqq9|QhRfoIUMv*WRy;ucP*
cx8J)|_a5;bF|9d<0lO_;BSyEa8)hKHKcHJfKmY&$

literal 0
HcmV?d00001

diff --git a/ex2/ex2.c b/ex2/ex2.c
index 4245375b9..9c8846570 100644
--- a/ex2/ex2.c
+++ b/ex2/ex2.c
@@ -9,6 +9,19 @@
 int main(void)
 {
     // Your code here 
-    
+    FILE * file;
+    file = fopen("text.txt", "r+");
+
+    if (fork() == 0){
+        fprintf(file, "%s", "child!");
+        printf("child: %d\n", fileno(file));
+    }else{
+        fprintf(file, "%s", "parent");
+        printf("parent %d\n", fileno(file));
+    }
+    fclose(file);
     return 0;
 }
+
+
+// A: Yes the child and the parent can access the file descriptor returned by fopen and they both get written in!
\ No newline at end of file
diff --git a/ex2/text.txt b/ex2/text.txt
index e69de29bb..3cb3b9193 100644
--- a/ex2/text.txt
+++ b/ex2/text.txt
@@ -0,0 +1 @@
+parentchild!
\ No newline at end of file

From 47880afb47a8a4bea1bd3e4698f9c9880ac16562 Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Wed, 20 Feb 2019 17:34:15 -0500
Subject: [PATCH 3/6] ex3 done

---
 ex3/ex3   | Bin 0 -> 8520 bytes
 ex3/ex3.c |   8 +++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100755 ex3/ex3

diff --git a/ex3/ex3 b/ex3/ex3
new file mode 100755
index 0000000000000000000000000000000000000000..ee8699765d7c00357223270dc23087da4a15703f
GIT binary patch
literal 8520
zcmeHNOKTHR6h7%gOIw=Mh15rJT8S^P4{;%g(rSlJv1+v~h$z>jnVQ&XQj#fc1tHKD
z%%V~kE?oK#T)1$f6cyA}(Ul7qE>v2q(uIp6V*Jj`on(@#d*L29bIy0}op0{_?hH)k
zX8Fh0Ut5U+l|<PJA_~Hns)*)ELq@a%Zoq{Y=<d}o>le>+wbTNo@Q;Xj-l3xqL;9tm
z(k{;Vq0$;jjImL*bnYR9ZBE;qxmM1%-hj!V>56P;jOi4uin2w(d>MN(nkkgZ`T8LU
z^KFwoJnWrNBl)(-g3Bl3rZr)vQ7h-WCi&WAf5xnP!8VO=Bx9!&$?LL1Io}=07nbde
z{Z_(_1|cSsQ;B3uB$A^k2bZqLBgw~W&c?W$!)<Yoysj&7A$q!px_vEJzmj$J*4MYL
zxaSJoLL@DbnHi6!EHPoH|H|jl@cqH(d&c_vu@F||Uwk2)&*N*71dRRXd-t8kUwjVw
z`_7%wd-}Y4SSy<+Fq`2_o``v5>eO5DoON)f5!E2nAbMi}Bn|igqJhZ$SbJ{I0z3Cu
zi~Bs*p*8^b8~0@|x!?UAkbltJ>z0)Xj|riP>f!B^nRL6Ah_=UOtQaucE;x^4IQZn-
zT;1_Ek8khYGp619as)LE9)MFrt>c_KTGrnW96}Ch3x>I6nTMZCzwvdC!MTm+Q2pv7
zrV%KP1>+f<$=K$2+o?8;D-lH}*giP(PiyYH4oaK_R;CnC3Md7X0!jg;fKosypcEK3
za-WRZHSMMTlf_suaOixUTh8elPCk2UgL3-!;QV$p7z-zEAUvd%{RlaIeYMf8nr@X*
zPG9R>GG<?BSD)v@Pf^H+mz?7>9EtiDnjau^59Y&n5f|fJT>YHS=i~g!yZWB9ot(Wz
zb~>K0V%p)8nqgX2N~@)TNZL%=T<J}vV$m5BHRoM>H}k;!k>8v7z4|C3`&s#0kaK<?
zug94o_e~wBm@x2cLjL}{DdU`sUb~7)0i}RaKq;UUPzopolmbctrGQdEDWDWk3jBWx
zG`5BYdDM+vyxHe$hKnfnhp~BmAx(>v4mEa((Nubj^CsjI*o?ME8EHUMk%WyL77*B{
zuMp#LVNRPPleURH@Cehij7Jhl3iHQ_N?LE`zA!K0axmcT5c0kue|8BX@%Hig`vxF4
vIo67!AM^gAA9s{t_p<JuDF2TD*5$8h*lFH8X5oz4owqk*cdnaMayjWYp^EO3

literal 0
HcmV?d00001

diff --git a/ex3/ex3.c b/ex3/ex3.c
index 3a3698c1f..317eca779 100644
--- a/ex3/ex3.c
+++ b/ex3/ex3.c
@@ -10,6 +10,12 @@
 int main(void)
 {
     // Your code here
-
+    int temp = fork();
+    wait(NULL);
+    if(temp == 0){
+        printf("Child -> Hello \n");
+    }else{
+        printf("Parent -> Goodbye \n");
+    }
     return 0;
 }

From ad37b3a50a63d5372b7ddaedab70d207a270b97b Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Wed, 20 Feb 2019 19:13:52 -0500
Subject: [PATCH 4/6] fixing bugs on ex4

---
 ex4/ex4   | Bin 0 -> 8848 bytes
 ex4/ex4.c |  16 +++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100755 ex4/ex4

diff --git a/ex4/ex4 b/ex4/ex4
new file mode 100755
index 0000000000000000000000000000000000000000..454713d290d29921ee834fcefbb2bf0ad130d624
GIT binary patch
literal 8848
zcmeHNU1%It6h7M~Y1)P+5s6i6nHExN!Td;-_@M4;mrga+*v7y5bF<l<WQS~a*O^({
zh=D+iWC?)<LC_~(^+{+SeA4)XMyVL9NFMqS!OAYE^fCD0dcHe%HnWq^H^GN{;NEk-
zbMHNS=A1jr-Fx<jzyJJa4^eD4(cCT~>f|=oO0+-*OGI~aGr0*dk~p2bkUaM^w9OQ2
zhC3qIS?7sDj3!?gZJr|6cQxxsVfKyK9oaBL2+z9YLGmeT&p5yj!$UXJIB<)SC2OI%
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zHyL*@hk*(+JnIN>h%gszUq}}fKRH5lTU5!IUt_o=Kcm0oI{i6&ygxIO%die~H#hjv
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z&=JrP_&-MAS+jh@oc|+kF17y3=O%NB%yM$`o8)ykTm6N*a&moscAYwxakSxSU&v`g
z=JEr_SQ`9x@w>&f>SZ4L4Ck(La;^G4bGc;UK`dD=ZSb<6u&kVfxaNyh7Qgq!o95E&
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zh|Cr4xedO)kQ77Nj~pXn3AY+t5p<5T-nwL^UuQGq3`k^qkcU{t1qkFg<RaI*y$L{*
z;T9TUbTMUnMLWZTieiHQ8?Z}EXQlO$XL0R41<#I5r|dlS;!<QceGuG}1On8ZF~9PM
zi;y0P{reMO%xB)XBSC#Vj1v(&9Kk5RhUZ_1;IRm{Blxulej|e6KmHdH)V*=5wU--e
ztE$c%$DI#q#<!YlaAkXY?1YS6(~gjNY|{99M5_Gl5#*OSXV%YYBbz}U8yVcTmDp3F
Fe*vdxjjsRz

literal 0
HcmV?d00001

diff --git a/ex4/ex4.c b/ex4/ex4.c
index 0221ca96e..4f175529a 100644
--- a/ex4/ex4.c
+++ b/ex4/ex4.c
@@ -10,7 +10,21 @@
 
 int main(void)
 {
-    // Your code here    
+    // Your code here
+    if(fork() == 0){
+        char *args[2];
+        args[0] = "bin/ls";
+        args[1] = NULL;
+        execvp(args[0], args);
+        printf("Child process\n");
 
+    }else if(fork() < 0){
+        printf("fork failed\n");
+    }
+    else
+    {
+        int wc = waitpid(fork(), NULL, 0);
+        printf("Completed child process\n");
+    }
     return 0;
 }

From 017024f1a3d5ab699b242cca08cb64e6dc1f699f Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Thu, 21 Feb 2019 16:39:28 -0500
Subject: [PATCH 5/6] finished ex4  and ex5

---
 ex4/ex4   | Bin 8848 -> 8708 bytes
 ex4/ex4.c |   7 ++++---
 ex5/ex5   | Bin 0 -> 8976 bytes
 ex5/ex5.c |  21 ++++++++++++++++++++-
 4 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100755 ex5/ex5

diff --git a/ex4/ex4 b/ex4/ex4
index 454713d290d29921ee834fcefbb2bf0ad130d624..4e018a130fa3b3b0e8c900026617fbe04d1dcdc0 100755
GIT binary patch
delta 985
zcmZWnOKTHR6uvjf*oT^jj}TjJCxt+&78{HhX{A%!!H8m8q}YWJ(#+HhiEW&u4;Q5t
z6$~{v<^BnmiYp&25yW=Uf?9<xTtr-$fE#h6pvLb`MyT~L=YHpT=bU?vA>Zyd_EGoZ
z{%0P^NeCr`ya#iV7C-iQysnzDrDh{u7NR|#uw^}CS;K4|)+x){ZCR(-8=9pNCfmBG
zoz2_MQ-Q79j?;QZ?age>=46NMEdigq_J^RA#dW(SbEpH?vn6{Mb+8}yBcaF^pCl48
z2;Bg70&QR)coljB@SdNL88+-_rFCpxXck7G?_M0*%N{s_?vAILGMqZG@#InSmBFTO
z)2!r(P>CH72KE$@UyuBDFv`JwkFUGE4NP?IoO?kDi7t?6UjDu!e}I#ei#YP~=B?RH
z;<|GRO0+OpiWY>QT+GX*=!#s1h_u;KxnTNFe+J~`*AGegt|_fm&H~LV3f@}C1_1t~
z>0hn10Yk<1{HxI0h1t#WNG<5O>3xT|UQ>Em0pL$U6Z_;01bGS7z;E;9)2#+<=IOwB
zp>Sv&j^0bvz!K|rb<9c7D$CVsbyOQamd=vCq?T61j6RW2v)M*6Hle4)vAC92l}6Gx
zaV?WpbE+aH{*9_l^B}I`v=#Yu_>zTzocV5X;xeB&`{Ftp=(m>WqJ<+Cj#`-Jh-ut+
zF+&K?dD?u#{0@&4i^a0Jcp?=`BvY}glW|=kL%Q3LlpARUp2^V|x>8h~+$^I*lc+&-
z-?mKNAAwzjU7b-AQyH!Wq4D;)+zC0OYvZ{wVz`JNfjS-6av4n_23r=}8;gINF0!v;
zD^|+mKj}Y*BJt+<YBaD-zsxj$YluIQ11x}dfX(Fxf+YS#|M}T3zr4$;)2xss+k%Mt
E19Se~zW@LL

literal 8848
zcmeHNU1%It6h7M~Y1)P+5s6i6nHExN!Td;-_@M4;mrga+*v7y5bF<l<WQS~a*O^({
zh=D+iWC?)<LC_~(^+{+SeA4)XMyVL9NFMqS!OAYE^fCD0dcHe%HnWq^H^GN{;NEk-
zbMHNS=A1jr-Fx<jzyJJa4^eD4(cCT~>f|=oO0+-*OGI~aGr0*dk~p2bkUaM^w9OQ2
zhC3qIS?7sDj3!?gZJr|6cQxxsVfKyK9oaBL2+z9YLGmeT&p5yj!$UXJIB<)SC2OI%
zFciY|O5<)r6}8vK0fD^}YDR#A1?|dSn^O4pMApg`Er)ecdjrbeb80>?;@+Tb{-s^d
zvGbE^Le$>d%3hxu2M$w{Z5|M!l)q@_Gs4bK6eMoW#}#D{IR^npZTKU8kGw9*yq-#o
zCPE{eKg2D_W0WJWyyqIZ5h9-x?#%RfAt#ES!+!2;udz*7!1{m?f7lF2h{-}|n{2b!
zrTh!*0Y~la4U91tBA2?Ae}=L*q}Bk3?ZLPGP4?1-yu0OL^m)gWy@P5EaML~x*@C$B
zo(`XR>dEA(Gr>D%MDoBGR8dKVUouZpOLUaK2L>P;MD5JlnFo7;A&oFDGGAeic`ySX
zHyL*@hk*(+JnIN>h%gszUq}}fKRH5lTU5!IUt_o=Kcm0oI{i6&ygxIO%die~H#hjv
z(suZ-J#Rfa|KZ8*p7QBCUc8@m2DcbDI>4XI4YJHl$9pln*IgJ>bex|bcJRFsCOq2^
zH;myKT33JLbi}CP3;T0^#`Ub}zQ_95FMFIPF&*Ou`!@|gp7$z@cxloR&=JrP&=JrP
z&=JrP_&-MAS+jh@oc|+kF17y3=O%NB%yM$`o8)ykTm6N*a&moscAYwxakSxSU&v`g
z=JEr_SQ`9x@w>&f>SZ4L4Ck(La;^G4bGc;UK`dD=ZSb<6u&kVfxaNyh7Qgq!o95E&
zM)hU6{%Y+g^TCz!*MrxVX4k7Y0h-GXUzLMDe@xZ0Qd+GsgFh!=g56#^yJ<eO+PQ#J
z?cj<z|5f~zFRM5PcJ8m#dvE7i_1+%YAC&!FvOgsI!?HKHA6~xaM_!XSU+?{#c_qso
z)qbzn>scHPYu6#+&{w+#3CGXcDx^mseF_Qw)viE#3DQR_O%$9dV<Khetjs>jxpZHO
z9?#mjj8Sw7Y0GsD+cnaK>0-|EEdTs^h?j!G9OqJ;TTe1a!*5j(WISjGpI5uMDQXCT
zVkaI~zXzXCd{psQ70)W}DE_A6fvtBGem9~I#x>Uw&=JrP&=JrP&=JrP&=JrP&=JrP
z&=JrP&=L6WBhY=+cs_BCs5>rDx=y91L^?YqCQB(NL(e!}6<?pR9H&T?I4W+kVlKwH
zh|Cr4xedO)kQ77Nj~pXn3AY+t5p<5T-nwL^UuQGq3`k^qkcU{t1qkFg<RaI*y$L{*
z;T9TUbTMUnMLWZTieiHQ8?Z}EXQlO$XL0R41<#I5r|dlS;!<QceGuG}1On8ZF~9PM
zi;y0P{reMO%xB)XBSC#Vj1v(&9Kk5RhUZ_1;IRm{Blxulej|e6KmHdH)V*=5wU--e
ztE$c%$DI#q#<!YlaAkXY?1YS6(~gjNY|{99M5_Gl5#*OSXV%YYBbz}U8yVcTmDp3F
Fe*vdxjjsRz

diff --git a/ex4/ex4.c b/ex4/ex4.c
index 4f175529a..6c0ca1c8f 100644
--- a/ex4/ex4.c
+++ b/ex4/ex4.c
@@ -11,19 +11,20 @@
 int main(void)
 {
     // Your code here
-    if(fork() == 0){
+    int temp = fork();
+    if(temp == 0){
         char *args[2];
         args[0] = "bin/ls";
         args[1] = NULL;
         execvp(args[0], args);
         printf("Child process\n");
 
-    }else if(fork() < 0){
+    }else if(temp < 0){
         printf("fork failed\n");
     }
     else
     {
-        int wc = waitpid(fork(), NULL, 0);
+        int wc = waitpid(temp, NULL, 0);
         printf("Completed child process\n");
     }
     return 0;
diff --git a/ex5/ex5 b/ex5/ex5
new file mode 100755
index 0000000000000000000000000000000000000000..4948b460bfe8380eab8f385b8e9f692008aaad26
GIT binary patch
literal 8976
zcmeHNU1%It6uz4@HMX&vLM;`wOk-24Vt$RpV(TVk>6E4#O_bWAH=FDx*=Cb0vm26t
zfyf%nvaE!@`BuRP=~D`Q=!4jxg+>V&#D_do30h?X7JLjX7{Bk%oz3i|QD1zU1NWZu
zopbJ)JLle6X71VV@8A3D5g`KQLd=v2A%bYV6++Ak1CkI=pqXe=cD0=jUkJbT2DPOW
zD1{G2jI#<yDSN`_drDo@`07%f&=_+Qn2u`nkTM;cOjEMS8*kw;+zd?3dQ!x@9B1-f
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ze*LMm6(1ec4&Hca9q*L36T7J-HVjgZk50r#qcT1^Fs5+ndR*7>xaK5cZw%XF_gvRG
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zm}{GCi&u^DoSzeq*c)$8NxVelpXO)icp*K8*d34eTU8P-8c9dC6yE&x>Uf8=3$Z)i
z)<|30dQLmfynZ&^amIPZ49_|Mld5$v&P%P6(h5<7-+>0ohMmt!aAz-2-32@ez69O{
z&b`4o8b|D0CK2EY@Ln|9-Q+ySwCzL&#vgcy5sx9Kq;gn4p0er_@xJ=#R3fT<p9JST
zK05ru<$V_#re=~CKP&%W_k$+r47326*oPHGqpWVf>eImUkdfLV9moAM4u3b?#I<Wh
zqmB1mv2+(dD*;iQ3+B^3l}g7(>e}ltuXrDvK*!J+|IiUTpU-K`eEH;Oz|Vl60Y3wN
z2K)^88Tc<5c-zeWW@i5AHS^P}X0GBK-bKuuFtg!}+u<J>pl}SYH<=9)%=1+PE=|g%
z)y%hCgQfA?x$ovy3J+kr2`IARrNS>9_NxLbndub~ob3j<!Pl1T*SYCCX0D|LK?*-Z
zaZ_pU+uCOtIvZXr-11r;w=FjcS7Cw6!g?2k+u>#OA~U^Q9?YMBq_1J-$JcVxtAz=u
z%>2oNm>5+U_r-!JT!c0o{yZ06&MXG9;pO!&H#axeq2%3l(iaKHo!c;9Sqjeb8=!H~
z%-rgI@0$W&@`8KkH)~&p*Jf?2>QAWtRn?zTeMt4~s_#JGnSc5oMz(ct*8T)OKZH)K
z|BkB;@%3;04yB`%exTGqX^GNnl)j>LmeO@f?^3!-DMsmvk`jqAV`9uoM2%+}1-=!x
zU{fh<7Rh)rW(-8)iCA=xs7>*k1XC1Gp^@AiIalwkFM+f1Ta`qasi?xpYBieLEkU6j
zx}*Aguuk(<&D%Ba)chUIdo{nLx$}LR(fG3FJ6z6J`x)>v;Ag<kfS&<B1AYel4EP!F
zGvH^y&w!r+KLh_m2KLt&JYNy}Lz1QINdK_x9~zc};}I(=-n6RcZGALmSxGS;V#Q5W
z%w->n$f$77tl>aIQDB~NEW;CtM;BsVSjVA{O~%ud8z2viS;LfDDJN0kP7e@<0D0s=
z*`!>wbOBkhNR*cIkSDBonr@l`68{k>lOsd8O00i89YYO1!WkYO5j8v+5oMA1sCY3o
zD4NQ}0_uh3jpAgJXm1v$%f*_36OsbEKMfU-4kV5Y2C9|JbC-h(+vhCKIZW_TAy}U!
zuAv=xNMqC!6;5hg2Mj;DDhi=@W1hUZ@%tXkdZ*id$%FY%2Dg36gFp1(k3IMk4`$7l
zXKJ`5!LujUZdnUud6dUXIL;x3Sbt|N`QQ8vRN}X<ksRUL$dS}wqw1Sf-wa>Zo>V)j
gL}Tw#rLs4uy~FIiRoqqfesXq_y@&Mf*|wd<-=9awqyPW_

literal 0
HcmV?d00001

diff --git a/ex5/ex5.c b/ex5/ex5.c
index cbf3b8e61..fb9ae9af7 100644
--- a/ex5/ex5.c
+++ b/ex5/ex5.c
@@ -17,6 +17,25 @@ char* msg3 = "hello world #3";
 int main(void)
 {
     // Your code here
+    char buffer[MSGSIZE];
+    int p[2];
+    if(pipe(p) < 0){
+        fprintf(stderr, "error error error\n");
+        exit(1);
+    }
     
+    int temp = fork();
+    if(temp == 0){
+        write(p[1], msg1, MSGSIZE);
+        write(p[1], msg2, MSGSIZE);
+        write(p[1], msg3, MSGSIZE);
+    }
+    else{
+        for (int i = 0; i < 3; i++){
+            read(p[0], buffer, MSGSIZE);
+            printf("%s\n", buffer);
+        }
+    }
+
     return 0;
-}
+}
\ No newline at end of file

From 963c5c88930572437727d7961403b42ff5d819be Mon Sep 17 00:00:00 2001
From: pedro <pedroluismontesinosrivera@gmail.com>
Date: Thu, 21 Feb 2019 18:18:24 -0500
Subject: [PATCH 6/6] finished ex6

---
 ex6/ex6   | Bin 0 -> 8636 bytes
 ex6/ex6.c |  12 ++++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100755 ex6/ex6

diff --git a/ex6/ex6 b/ex6/ex6
new file mode 100755
index 0000000000000000000000000000000000000000..e1162f6fbf115771e6f0f609187ae4947a8e3fce
GIT binary patch
literal 8636
zcmeHNU1%It6h70m8fs{^pb~!y)9Pydp-Ds~D3;yQ(J3a{+60OyH`(1uGPplscZMcK
zArdN#Yha%W6%ijrL>7sVhk^m6i6UBBD1Gpuf<If(2O(e-bv@smJL&AC_~e5R_rRHR
zzH{$AbMJTO!rgoKn?HW}`(`4ei)elu5%sdBb`YH=lRct4SZ!7zj%J^+UbJ3#9??!Q
zI^hiw@?7DHLX27`Mmwv>_NmSoDa?H%?v7N{5W;h2J$Ruc^EGzyV7Ta#DhJ-Kd}+4R
zd>jf<^ZZ<GGnC9%U_y|uPt}NU)Sz4CyGaGYd}7)u&Nx+$CG)+i@(ro_z~FsTw)8Jw
z^QvxnN>xbaTT=O=F#^Y>BR3Za;g?Uk<$`d_lNE_O=VMvr!<<8alR3hY@QHaHlJj~v
zJDQD^@ce<dXdaUm^UB|xR8$k9TokprQm#@IGhUVPjq`1OChVYnB;Y^d05Kt^DzVRG
zOTLuqU$;sCoXi)^X_&7#@o)X>Q~6Al4>+C=<Ap|YeO(P7dG1;3@R4Xum<iq(L(WMu
z!yL+$@qN5*2jH1R7)v)>iP?t?nM4`3vuqK^T;f}9GDiKE_7aV=y@mBCYg|wl8s{Ni
z4u62#qis@n*`Z6+!`koHs{KVb*I$?`78pbBVnsiGdiby9cW)j1?v3H}nKz%f_mf9B
zX0jTrv}>nS_>#+>v&Mt$r%<M3KaU@Iu+HOx_hOBq3}e`__C0?d#`V5%e~!=9Jg0Qv
z&;jn3o8w9>_pu`X`)0_`0}6vLEt&z%fM!55pc&8%Xa+O`|2+d^cJPC}@bmbp^(T_A
zS{tERhk5<A^~|AO>Rp^;@F}*X_M(5a^$wi+V_DuO+Vz8h^;N6Ek-;y5uY*-P@K@~m
z*h(viHMw91)^f{{&BiX+4~<>5-HY_)+fUkE3g-O{+qfM38jNfN)>7SCUsy2$YyH}(
zcDrpaK6Q$lE~6`TlsAL5v-OeYZ@&lUo7B29e7E&sux2lOKK}A&jduDYj<wTG`TSTu
zm-sonxaTyR?D2NmXWN+O2VMJ-Uom|fyl>&%1MecdL3nHIr3*Xd{`hVVK;jmAUF?M)
zWedgcRS10Sp?kPxD%@QoEVtQklJb`N9e76B_murW*<^i<H3OOf&46Y=GoTsJ3}^;4
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BO6>pu

literal 0
HcmV?d00001

diff --git a/ex6/ex6.c b/ex6/ex6.c
index 17532d65f..7e151d62e 100644
--- a/ex6/ex6.c
+++ b/ex6/ex6.c
@@ -21,6 +21,14 @@ and `clock_gettime()` should work just fine.
 int main()
 {
     // Your code here
-    
+    int timed = 0;
+    for(int i = 0; i < number_iter; i++){
+        struct timespec start, end;
+        clock_gettime(CLOCK_MONOTONIC, &start);
+        write(fileno(stdout), NULL, 0);
+        clock_gettime(CLOCK_MONOTONIC, &end);
+        timed += BILLION * (end.tv_sec - start.tv_sec) + end.tv_sec - start.tv_sec;
+    }
+    printf("%d\n", timed / number_iter);
     return 0;
-}
+}
\ No newline at end of file