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prepare release 0.8.3
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Hisham Muhammad
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htop.1.in
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.TH "htop" "1" "@PACKAGE_VERSION@" "Bartosz Fenski <fenio@o2.pl>" "Utils"
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.SH "NAME"
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htop \- interactive process viewer
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.SH "SYNTAX"
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.LP
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.B htop
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.SH "DESCRIPTION"
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.LP
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This program is a free (GPL) ncurses-based process viewer.
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.LP
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It is similar to top, but allows to scroll the list vertically and
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horizontally to see all processes and their full command lines.
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.LP
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Tasks related to processes (killing, renicing) can be done without
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entering their PIDs.
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.br
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.SH "COMMAND-LINE OPTIONS"
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.LP
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The following flags are supported:
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.LP
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.TP
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\fB\-d DELAY\fR
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Delay between updates, in tenths of seconds
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.TP
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\fB\-u USERNAME\fR
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Show only processes of a given user
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.TP
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\fB\-\-sort\-key COLUMN\fR
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Sort by this column (use --sort-key help for a column list)
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.PP
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.br
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.SH "INTERACTIVE COMMANDS"
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.LP
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The following commands are supported:
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.LP
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.TP 5
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.B Arrows, PgUP, PgDn, Home, End
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Scroll process list.
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.TP
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.B Space
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"Tag": mark a process. Commands that can operate on multiple processes,
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like "kill", will then apply over the list of tagged processes, instead
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of the currently highlighted one.
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.TP
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.B U
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"Untag" all processes (remove all tags added with the Space key).
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.TP
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.B s
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Trace process system calls: if strace(1) is installed, pressing this key
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will attach it to the currently selected process, presenting a live
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update of system calls issued by the process.
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.TP
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.B l
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Display open files for a process: if lsof(1) is installed, pressing this key
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will display the list of file descriptors opened by the process.
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.TP
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.B F1, h
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Help screen
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.TP
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.B F2, S
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Setup screen. There you can configure meters displayed on the top side
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of the screen, as well as set various display options, choose among
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color schemes and select the layout of the displayed columns.
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.TP
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.B F3, /
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Incremental process search: type in part of a process command line and
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the selection highlight will be moved to it. While in search mode,
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pressing this key will cycle through matching occurrences.
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.TP
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.B F4, I
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Invert sort order: if sort order is increasing, switch to decreasing,
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and vice-versa.
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.TP
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.B F5, t
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Tree view: organize processes by parenthood, and layout the relations
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between them as a tree. Toggling the key will switch between tree and
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your previously selected sort view. Selecting a sort view will exit
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tree view.
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.TP
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.B F6, >
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Select field for sorting. The sort field is indicated by a
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highlight in the header.
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.TP
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.B F7, ], -
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Increase selected process priority (subtract from 'nice' value).
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This can be done by the superuser only.
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.TP
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.B F8, [, +
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Decrease selected process priority (add to 'nice' value)
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.TP
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.B F9, k
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"Kill" process: sends a signal which is selected in a menu, to one or a group
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of processes. If processes were tagged, sends the signal to all tagged processes.
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If none is tagged, sends to the currently selected process.
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.TP
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.B F10, q
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Quit
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.TP
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.B a (on multiprocessor machines)
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Set CPU affinity: mark which CPUs a process is allowed to use.
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.TP
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.B u
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Show only processes owned by a specified user.
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.TP
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.B M
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Sort by memory usage (top compatibility key).
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.TP
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.B P
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Sort by processor usage (top compatibility key).
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.TP
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.B T
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Sort by time (top compatibility key).
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.TP
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.B F
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"Follow" process: if the sort order causes the currently selected process
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to move in the list, make the selection bar follow it. This is useful for
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monitoring a process: this way, you can keep a process always visible on
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screen. When a movement key is used, "follow" loses effect.
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.TP
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.B K
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Hide kernel threads: prevent the threads belonging the kernel to be
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displayed in the process list. (This is a toggle key.)
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.TP
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.B H
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Hide user threads: on systems that represent them differently than ordinary
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processes (such as recent NPTL-based systems), this can hide threads from
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userspace processes in the process list. (This is a toggle key.)
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.TP
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.B Ctrl-L
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Refresh: redraw screen and recalculate values.
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.TP
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.B Numbers
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PID search: type in process ID and the selection highlight will be moved to it.
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.PD
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.SH "AUTHORS"
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.LP
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htop is developed by Hisham Muhammad <loderunner@users.sourceforge.net>.
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.br
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This man page was written by Bartosz Fenski <fenio@o2.pl> for the
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Debian GNU/Linux distribution (but it may be used by others), and
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updated by Hisham Muhammad.
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