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.TH PS 1
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.SH NAME
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ps, psu \- process status
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.SH SYNOPSIS
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.B ps
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[
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.B -apr
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]
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.PP
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.B psu
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[
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.B -apr
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]
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[
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.I user
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]
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.SH DESCRIPTION
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.I Ps
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prints information about processes.
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.I Psu
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prints only information about processes started by
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.I user
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(default
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.BR $user ).
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.PP
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For each process reported,
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the user,
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process id,
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user time,
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system time,
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size,
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state,
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and command name are printed.
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State is one of the following:
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.TP \w'\fLno\ \fIresource\ \ \ 'u
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.B Moribund
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Process has exited and is about to have its
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resources reclaimed.
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.TP
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.B Ready
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on the queue of processes ready to be run.
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.TP
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.B Scheding
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about to be run.
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.TP
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.B Running
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running.
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.TP
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.B Queueing
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waiting on a queue for a resource.
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.TP
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.B Wakeme
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waiting for I/O or some other kernel event to wake it up.
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.TP
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.B Broken
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dead of unnatural causes; lingering
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so that it can be examined.
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.TP
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.B Stopped
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stopped.
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.TP
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.B Stopwait
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waiting for another process to stop.
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.TP
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.B Fault
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servicing a page fault.
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.TP
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.B Idle
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waiting for something to do (kernel processes only).
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.TP
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.B New
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being created.
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.TP
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.B Pageout
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paging out some other process.
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.TP
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.I Syscall
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performing the named system call.
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.TP
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.BI no " resource
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waiting for more of a critical
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.IR resource .
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.PD
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.PP
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The
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.B -r
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flag causes
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.I ps
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to print, before the user time, the elapsed real time for the process.
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.PP
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The
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.B -p
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flag causes
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.I ps
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to print, after the system time, the baseline and current priorities of each process.
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.PP
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The
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.B -a
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flag causes
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.I ps
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to print the arguments for the process.  Newlines in arguments will be translated to spaces for display.
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.SH FILES
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.B /proc/*/status
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.SH SOURCE
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.B /sys/src/cmd/ps.c
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.br
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.B /rc/bin/psu
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.SH "SEE ALSO"
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.IR acid (1),
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.IR db (1),
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.IR kill (1),
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.IR ns (1),
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.IR proc (3)