htop

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htop is a cross-platform interactive process viewer. It is a text-mode application (for console or X terminals) and requires ncurses.

Installation

USE flags

USE flags for sys-process/htop Interactive process viewer

+filecaps Use Linux file capabilities to control privilege rather than set*id (this is orthogonal to USE=caps which uses capabilities at runtime e.g. libcap)
bfd With USE=unwind, demangle symbol names (like for C++) in backtraces via sys-libs/binutils-libs
caps Use Linux capabilities library to control privilege
debug Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
delayacct Enable Linux delay accounting support via dev-libs/libnl
hwloc Use sys-apps/hwloc for CPU affinity support
llvm-libunwind Use llvm-runtimes/libunwind instead of sys-libs/libunwind
lm-sensors Add linux lm-sensors (hardware sensors) support
openvz Enable openvz support
unicode Add support for Unicode
unwind Add support for call stack unwinding and function name resolution
vserver Enable vserver support
Data provided by the Gentoo Package Database · Last update: 2026年08月17日 02:04 More information about USE flags

Emerge

root #emerge --ask sys-process/htop

Usage

htop can be used with one command:

user $htop

Invocation

user $htop --help
htop _version_
(C) 2004-2019 Hisham Muhammad. (C) 2020 htop dev team.
Released under the GNU GPLv2.
-C --no-color Use a monochrome color scheme
-d --delay=DELAY Set the delay between updates, in tenths of seconds
-F --filter=FILTER Show only the commands matching the given filter
-h --help Print this help screen
-H --highlight-changes[=DELAY] Highlight new and old processes
-M --no-mouse Disable the mouse
-p --pid=PID[,PID,PID...] Show only the given PIDs
-s --sort-key=COLUMN Sort by COLUMN in list view (try --sort-key=help for a list)
-t --tree Show the tree view (can be combined with -s)
-u --user[=USERNAME] Show only processes for a given user (or $USER)
-U --no-unicode Do not use unicode but plain ASCII
-V --version Print version info
Long options may be passed with a single dash.
Press F1 inside htop for online help.
See 'man htop' for more information.

See also

External resources