1
Q
PS Command Output:
EFID
A
he effective user is the one determining access to system resources
2
Q
PS Command Output:
PID
A
a unique identification number used to refer to the process.
3
Q
PS Command Output:
RUID
A
The real owner is the user issuing the command
4
Q
Process Creation:
Exec
A
the address space of the child process is overwritten with the new process data.
5
Q
Run Levels
A
- A run level is a state of init and the whole system that defines what system services are operating.
6
Q
PS Command Output:
Terminal / TTY
A
terminal to which the process is connected.
7
Q
Process Creation:
Forking
A
- A new process is created because an existing process makes an exact copy of itself
- This child process has the same environment as its parent, only the process ID number is different
8
Q
PS Command Output:
PPID
A
the number of the process (PID) that started this process.
9
Q
Fork-and-Exec Mechanism
A
10
Q
Kill -9 Command
A
Name:
SIGKILL
- Interrupt the process. A process can not ignore this signal.
11
Q
Linux Boot Process
A
12
Q
Kill - 15 Command
A
Name:
SIGTERM
- Terminate the process in an orderly way.
13
Q
Kill -2 Command
A
Name:
SIGINT
- Interrupt the process. A process can ignore this signal.
14
Q
Kill -1 Command
A
Name:
SIGHUP
- For daemons: reread the configuration file.
