04-05-2006
Multi User Multi Task
Dear Experts
Why we always hear that unix operating system is Multi User and Multi task. What does these two means. I have looked at some books and documents but couldn't find aclear explenation. Can we say Windows operating system is also multi user and multi task??
Thanks for your help in advances.
Cheers
Reza
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Input File:
>Seq1
ASDADAFASFASFADGSDGFSDFSDFSDFSDFSDFSDFSDFSDFSDFSDFSD
>Seq2
SDASDAQEQWEQeqAdfaasd
>Seq3
ASDSALGHIUDFJANCAGPATHLACJHPAUTYNJKG
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Desired Output File
>Seq1
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ASFADGSDGF
SDFSDFSDFS
DFSDFSDFSD
FSDFSDFSDF
SD
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LEARN ABOUT CENTOS
tapset::task
tapset::task(3stap) tapset::task(3stap)
NAME
tapset::task - systemtap task tapset
DESCRIPTION
task_current
The current task_struct of the current task
See function::task_current(3stap)
for details.
task_parent
The task_struct of the parent task
See function::task_parent(3stap)
for details.
task_state
The state of the task
See function::task_state(3stap)
for details.
task_execname
The name of the task
See function::task_execname(3stap)
for details.
task_pid
The process identifier of the task
See function::task_pid(3stap)
for details.
pid2task
The task_struct of the given process identifier
See function::pid2task(3stap)
for details.
pid2execname
The name of the given process identifier
See function::pid2execname(3stap)
for details.
task_tid
The thread identifier of the task
See function::task_tid(3stap)
for details.
task_gid
The group identifier of the task
See function::task_gid(3stap)
for details.
task_egid
The effective group identifier of the task
See function::task_egid(3stap)
for details.
task_uid
The user identifier of the task
See function::task_uid(3stap)
for details.
task_euid
The effective user identifier of the task
See function::task_euid(3stap)
for details.
task_prio
The priority value of the task
See function::task_prio(3stap)
for details.
task_nice
The nice value of the task
See function::task_nice(3stap)
for details.
task_cpu
The scheduled cpu of the task
See function::task_cpu(3stap)
for details.
task_open_file_handles
The number of open files of the task
See function::task_open_file_handles(3stap)
for details.
task_max_file_handles
The max number of open files for the task
See function::task_max_file_handles(3stap)
for details.
SEE ALSO
function::task_current(3stap), function::task_parent(3stap), function::task_state(3stap), function::task_execname(3stap),
function::task_pid(3stap), function::pid2task(3stap), function::pid2execname(3stap), function::task_tid(3stap),
function::task_gid(3stap), function::task_egid(3stap), function::task_uid(3stap), function::task_euid(3stap),
function::task_prio(3stap), function::task_nice(3stap), function::task_cpu(3stap), function::task_open_file_handles(3stap),
function::task_max_file_handles(3stap), stap(1), stapprobes(3stap)
IBM
--- tapset::task(3stap)