Up / Down / PgUp / PgDnBasic navigation keys for long lists of processes.
Interactive keys and workflows for moving around htop, searching processes, filtering by command, changing sort columns, and working in tree view.
Search processes, apply incremental filters, and work with process trees.
F3 or /Searches displayed command lines as you type.
Show only processes whose command lines match fixed-string terms.
F4 or \\Filtering is case-insensitive and supports multiple terms separated by `|`.
F5 or tShows parent-child relationships between processes.
+ - *In tree view, `+` and `-` control one subtree, while `*` expands or collapses top-level trees.
htop --sort-key=PERCENT_CPU -d 10Refreshes about every second and surfaces CPU-heavy tasks near the top.
Combine user filter and hierarchy view.
htop -u postgres -tHandy for database process trees such as background workers and child processes.