Tag Archives: fedora
Replacing a Process Image
Replacing a Process Image ========================= – The exec function replaces current process with a new process. – The path of new process is specified as argument to exec. – It is defined in header : #include<unistd.h> – Last argument of … Continue reading
Orphan Process
Orphan Process =============== If in a process, the parent process is terminated before the child process, the child process become orphan – It takes the lowest possible process as its parent – And its PPID is changed to the PID … Continue reading
Zombie or Defunct Process
Zombie or Defunct Process ========================== If a child proces tries to teminate,its association with parent remains until the parent terminates normally or calls wait. – The child process entry in process table is therfore not freed up immediately. – Althougth … Continue reading
waiting for a process
Waiting For a Process ===================== – Sometime we would like to find out when a child process has finished. – It is needed for parent process to wait until the child finishes before continuing by calling wait. – It has … Continue reading
Process Duplication using fork
Process Duplication using system call fork ============================== – A new process is created using fork(). – fork() is a system call. – fork duplicates the current process. – It creates a new entry in the process table with many of … Continue reading
Multiple Data Compressions And Encription Using Iterative Technique
Logfile of compleated Project ————————————————— ————————————————— RCS file: header.h,v Working file: header.h head: 1.1 branch: locks: strict root: 1.1 access list: symbolic names: keyword substitution: kv total revisions: 1; selected revisions: 1 description: It includes basic headers which are used … Continue reading
