initial commit / add all books

1 files changed, 59 insertions, 0 deletions

diff --git a/1088/CH24/EX24.1/Example1.sce b/1088/CH24/EX24.1/Example1.sce
new file mode 100755
index 000000000..045f764f7
--- /dev/null
+++ b/1088/CH24/EX24.1/Example1.sce
@@ -0,0 +1,59 @@
+clear
+flag=1
+mode(-1)
+clc
+
+printf("Example 1    :               Show the method of showing all the type of process IDs \n")
+disp("****************************************************************")
+disp("Answer    :   ")
+disp("INSTRUCTIONS   : ")
+halt(' ')
+disp("1.These programs are part of systems programming PURELY in Unix and the commands have NO EQUIVALENT IN SCILAB")
+halt(' ')
+disp("2.However the .c files which are displayed here are also made into a seperate file.If you are a unix user then try compiling and running the programme with gcc or cc compiler")
+halt(' ')
+disp("3.The outputs displayed here are just MOCK OUTPUTS which are DISPLAYED IN THE TEXTBOOK")
+halt(' ')
+disp("4.The inconvenience is regretted.")
+halt('.............Press [ENTER] to continue.....')
+halt("")
+clc
+printf("\tUNIX SHELL SIMULATOR(DEMO VERSION WITH PRELOADED COMMANDS)\n\n\n")
+i=0
+i=i+1;f(i)='/* Program: process.c -- Lists process and user credentials The PID, PPID, real and effective UIDs and GIDs */'
+i=i+1;f(i)='#include <stdio.h>'
+i=i+1;f(i)='int main(void) {'
+i=i+1;f(i)='    printf('+ascii(34)+'PID : %4d,PPDI : %4d\n'+ascii(34)+',getpid(),getppid());'
+i=i+1;f(i)='    printf('+ascii(34)+'UID : %4d, GID : %4d\n'+ascii(34)+',getuid(),getgid());'
+i=i+1;f(i)='    printf('+ascii(34)+'EUID : %4d,EGID : %4d\n'+ascii(34)+',geteuid(),getegid());'
+i=i+1;f(i)='    exit(0);'
+i=i+1;f(i)='}'
+n=i
+
+printf("\n\n$ cat process.c      # to open the file emp.lst")
+halt(' ')
+u=mopen('process.c','wt')
+for i=1:n
+    mfprintf(u,"%s\n",f(i))
+    printf("%s\n",f(i))
+end
+mclose(u)
+halt('')
+clc
+
+halt(' ')
+ printf("$ cc process.c")
+ halt(' ')
+ printf("$ a.out")
+ halt(' ')
+ printf("PID : 1035, PPID: 1028\nUID :  102,  GID:  10\nEUID: 102, EGID:  10\n")
+ halt(' ')
+
+printf("\n\n\n$ exit        #To exit the current simulation terminal and return to Scilab console\n\n")
+halt("........# (hit [ENTER] for result)")
+//clc()
+
+printf("\n\n\t\t\tBACK TO SCILAB CONSOLE...\nLoading initial environment')
+sleep(1000)
+
+