pstree

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  "desc": "Show ps output as a tree",
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  "enrichment_fetched_at": "2026-06-20T23:41:35+00:00",
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  "full_name": "pstree",
  "github_default_branch": "main",
  "github_last_commit_at": "2022-08-18T08:45:31Z",
  "github_readme_excerpt": "# pstree\n## Introduction\n`pstree` is a small program that shows the process listing (`ps`) as a tree (as the name implies...). It has several options to make selection criteria and to change the output style.\n\nIt should compile under most Un*xes, tested are AIX, Linux, HP-UX, A/UX, SunOS, Solaris, (Free|Open|Net)BSD, MacOSX/Darwin/macOS, and many others.\n\nUnder AIX \u0026 Linux, pstree directly reads the process table using `getproc()`/`getuser()` or the `/proc` file system. Under all other Un*xes, `pstree` reads the output of `/bin/ps`.\n\n## Compilation\n\nTake an ANSI C compiler, e.g., `gcc`, and just enter\n\n    $ [g]cc -O -o pstree pstree.c\n\nAlternatively, enter `make`.\n\n## Installation\n\nPut the binary `pstree` into appropriate bindir, e.g., `/usr/local/bin`.\n\nOptionally, put the manpage `pstree.1` to, e.g., `/usr/local/share/man/man1`.\n\n## Changes\n\nFor changes up to v2.40, see end of `pstree.c`.\n   \n## Usage\n\n~~~\n$ ./pstree -?\npstree $Revision: 2.40 $ by Fred Hucht (C) 1992-2022\nEMail: fred AT thp.uni-due.de\n\nUsage: pstree [-f file] [-g n] [-l n] [-u user] [-U] [-s string] [-p pid] [-w] [pid ...]\n   -f file   read input from \u003cfile\u003e (- is stdin) instead of running\n             \"ps -eo uid,pid,ppid,pgid,args\"\n   -g n      use graphics chars for tree. n=1: IBM-850, n=2: VT100, n=3: UTF-8\n   -l n      print tree to n level deep\n   -u user   show only branches containing processes of \u003cuser\u003e\n   -U        don\u0027t show branches containing only root processes\n   -s string show only branches containing process with \u003cstring\u003e in commandline\n   -p pid    show only branches containing process \u003cpid\u003e\n   -w        wide output, not truncated to window width\n   pid ...   process ids to start from, default is 1 (probably init)\n\nProcess group leaders are marked with \u0027=\u0027.\n~~~\n\n## History\n\n`pstree` started as a shell script back in the 90s, the first C version is from 1992. Since 1994, the source was managed using RCS. Since 2022, it lives here on GitHub.\n\n`pstree` was formerly available under ",
  "github_repo": "FredHucht/pstree",
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  "homepage": "https://github.com/FredHucht/pstree",
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  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "GPL-3.0-only",
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  "llm_model": null,
  "name": "pstree",
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  "ruby_source_path": "Formula/p/pstree.rb",
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