diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cb46a76..5c411511 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ### Added
 
 - Added Ubuntu PPA package ([#859](https://github.com/fujiapple852/trippy/issues/859))
+- Added `--generate-man` flags for generating [ROFF](https://en.wikipedia.org/wiki/Roff_(software)) man
+  page ([#85](https://github.com/fujiapple852/trippy/issues/85))
 
 ### Changed
 
diff --git a/Cargo.lock b/Cargo.lock
index 718e8956..2649d1fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -306,6 +306,16 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
+[[package]]
+name = "clap_mangen"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e35a078f3aae828c9b7ad58e1631dab87e9dac40da19418f2219bbf3198aa5c"
+dependencies = [
+ "clap",
+ "roff",
+]
+
 [[package]]
 name = "colorchoice"
 version = "1.0.0"
@@ -1397,6 +1407,12 @@ dependencies = [
  "quick-error",
 ]
 
+[[package]]
+name = "roff"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b833d8d034ea094b1ea68aa6d5c740e0d04bad9d16568d08ba6f76823a114316"
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1946,6 +1962,7 @@ dependencies = [
  "chrono",
  "clap",
  "clap_complete",
+ "clap_mangen",
  "comfy-table",
  "crossbeam",
  "crossterm",
diff --git a/Cargo.toml b/Cargo.toml
index b5e27bff..88e4103f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -56,6 +56,7 @@ csv = "1.3.0"
 serde_with = "3.7.0"
 encoding_rs_io = "0.1.7"
 bitflags = "2.5.0"
+clap_mangen = "0.2.19"
 
 # Library dependencies (Linux)
 [target.'cfg(target_os = "linux")'.dependencies]
diff --git a/README.md b/README.md
index 8a890c21..d4b3feae 100644
--- a/README.md
+++ b/README.md
@@ -455,6 +455,12 @@ Generate `bash` shell completions (or `fish`, `powershell`, `zsh`, `elvish`):
 trip --generate bash
 ```
 
+Generate `ROFF` man page:
+
+```shell
+trip --generate-man
+```
+
 Run in `silent` tracing mode and output `compact` trace logging with `full` span events:
 
 ```shell
@@ -692,6 +698,9 @@ Options:
 
           [possible values: bash, elvish, fish, powershell, zsh]
 
+      --generate-man
+          Generate ROFF man page
+
       --print-config-template
           Print a template toml config file and exit
 
diff --git a/src/config.rs b/src/config.rs
index 3ae9457a..a0432766 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -254,6 +254,8 @@ pub enum TrippyAction {
     PrintConfigTemplate,
     /// Generate shell completion and exit.
     PrintShellCompletions(Shell),
+    /// Generate a man page and exit.
+    PrintManPage,
 }
 
 impl TrippyAction {
@@ -266,6 +268,8 @@ impl TrippyAction {
             Self::PrintConfigTemplate
         } else if let Some(shell) = args.generate {
             Self::PrintShellCompletions(shell)
+        } else if args.generate_man {
+            Self::PrintManPage
         } else {
             Self::Trippy(TrippyConfig::from(args, platform)?)
         })
@@ -1609,6 +1613,7 @@ mod tests {
     #[test_case("trip --generate zsh", Ok(TrippyAction::PrintShellCompletions(Shell::Zsh)); "generate zsh shell completions")]
     #[test_case("trip --generate bash", Ok(TrippyAction::PrintShellCompletions(Shell::Bash)); "generate bash shell completions")]
     #[test_case("trip --generate foo", Err(anyhow!("error: one of the values isn't valid for an argument")); "generate invalid shell completions")]
+    #[test_case("trip --generate-man", Ok(TrippyAction::PrintManPage); "generate man page")]
     fn test_action(cmd: &str, expected: anyhow::Result<TrippyAction>) {
         compare(parse_action(cmd), expected);
     }
diff --git a/src/config/cmd.rs b/src/config/cmd.rs
index c11decde..d644a31c 100644
--- a/src/config/cmd.rs
+++ b/src/config/cmd.rs
@@ -15,7 +15,7 @@ use clap_complete::Shell;
 #[command(name = "trip", author, version, about, long_about = None, arg_required_else_help(true), styles=Styles::styled())]
 pub struct Args {
     /// A space delimited list of hostnames and IPs to trace
-    #[arg(required_unless_present_any(["print_tui_theme_items", "print_tui_binding_commands", "print_config_template", "generate"]))]
+    #[arg(required_unless_present_any(["print_tui_theme_items", "print_tui_binding_commands", "print_config_template", "generate", "generate_man"]))]
     pub targets: Vec<String>,
 
     /// Config file
@@ -240,6 +240,10 @@ pub struct Args {
     #[arg(long)]
     pub generate: Option<Shell>,
 
+    /// Generate ROFF man page
+    #[arg(long)]
+    pub generate_man: bool,
+
     /// Print a template toml config file and exit
     #[arg(long)]
     pub print_config_template: bool,
diff --git a/src/main.rs b/src/main.rs
index 16ca2bf6..560e7109 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -60,6 +60,7 @@ fn main() -> anyhow::Result<()> {
         TrippyAction::PrintTuiThemeItems => print_tui_theme_items(),
         TrippyAction::PrintTuiBindingCommands => print_tui_binding_commands(),
         TrippyAction::PrintConfigTemplate => print_config_template(),
+        TrippyAction::PrintManPage => print_man_page()?,
         TrippyAction::PrintShellCompletions(shell) => print_shell_completions(shell)?,
     }
     Ok(())
@@ -102,6 +103,11 @@ fn print_shell_completions(shell: Shell) -> anyhow::Result<()> {
     process::exit(0);
 }
 
+fn print_man_page() -> anyhow::Result<()> {
+    println!("{}", man_page()?);
+    process::exit(0);
+}
+
 /// Start the DNS resolver.
 fn start_dns_resolver(cfg: &TrippyConfig) -> anyhow::Result<DnsResolver> {
     Ok(DnsResolver::start(trippy::dns::Config::new(
@@ -467,6 +473,13 @@ fn shell_completions(shell: Shell) -> anyhow::Result<String> {
     Ok(String::from_utf8(buffer)?)
 }
 
+fn man_page() -> anyhow::Result<String> {
+    let cmd = Args::command();
+    let mut buffer: Vec<u8> = vec![];
+    clap_mangen::Man::new(cmd).render(&mut buffer)?;
+    Ok(String::from_utf8(buffer)?)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -479,6 +492,7 @@ mod tests {
     #[test_case(include_str!("../test_resources/config/completions_fish.txt"), &shell_completions(Shell::Fish).unwrap(); "generate fish shell completions")]
     #[test_case(include_str!("../test_resources/config/completions_powershell.txt"), &shell_completions(Shell::PowerShell).unwrap(); "generate powershell shell completions")]
     #[test_case(include_str!("../test_resources/config/completions_zsh.txt"), &shell_completions(Shell::Zsh).unwrap(); "generate zsh shell completions")]
+    #[test_case(include_str!("../test_resources/config/trip.1"), &man_page().unwrap(); "generate man page")]
     fn test_output(expected: &str, actual: &str) {
         if remove_whitespace(actual.to_string()) != remove_whitespace(expected.to_string()) {
             pretty_assertions::assert_eq!(actual, expected);
diff --git a/test_resources/config/completions_bash.txt b/test_resources/config/completions_bash.txt
index bcfe60f1..8d433d9a 100644
--- a/test_resources/config/completions_bash.txt
+++ b/test_resources/config/completions_bash.txt
@@ -19,7 +19,7 @@ _trip() {
 
     case "${cmd}" in
         trip)
-            opts="-c -m -u -p -F -4 -6 -P -S -A -I -i -T -g -R -U -f -t -Q -e -r -y -z -a -M -s -C -G -v -h -V --config-file --mode --unprivileged --protocol --udp --tcp --icmp --addr-family --ipv4 --ipv6 --target-port --source-port --source-address --interface --min-round-duration --max-round-duration --grace-duration --initial-sequence --multipath-strategy --max-inflight --first-ttl --max-ttl --packet-size --payload-pattern --tos --icmp-extensions --read-timeout --dns-resolve-method --dns-resolve-all --dns-timeout --dns-lookup-as-info --tui-address-mode --tui-as-mode --tui-custom-columns --tui-icmp-extension-mode --tui-geoip-mode --tui-max-addrs --tui-max-samples --tui-max-flows --tui-preserve-screen --tui-refresh-rate --tui-privacy-max-ttl --tui-theme-colors --print-tui-theme-items --tui-key-bindings --print-tui-binding-commands --report-cycles --geoip-mmdb-file --generate --print-config-template --log-format --log-filter --log-span-events --verbose --help --version [TARGETS]..."
+            opts="-c -m -u -p -F -4 -6 -P -S -A -I -i -T -g -R -U -f -t -Q -e -r -y -z -a -M -s -C -G -v -h -V --config-file --mode --unprivileged --protocol --udp --tcp --icmp --addr-family --ipv4 --ipv6 --target-port --source-port --source-address --interface --min-round-duration --max-round-duration --grace-duration --initial-sequence --multipath-strategy --max-inflight --first-ttl --max-ttl --packet-size --payload-pattern --tos --icmp-extensions --read-timeout --dns-resolve-method --dns-resolve-all --dns-timeout --dns-lookup-as-info --tui-address-mode --tui-as-mode --tui-custom-columns --tui-icmp-extension-mode --tui-geoip-mode --tui-max-addrs --tui-max-samples --tui-max-flows --tui-preserve-screen --tui-refresh-rate --tui-privacy-max-ttl --tui-theme-colors --print-tui-theme-items --tui-key-bindings --print-tui-binding-commands --report-cycles --geoip-mmdb-file --generate --generate-man --print-config-template --log-format --log-filter --log-span-events --verbose --help --version [TARGETS]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
diff --git a/test_resources/config/completions_elvish.txt b/test_resources/config/completions_elvish.txt
index 7fa74436..cbf33586 100644
--- a/test_resources/config/completions_elvish.txt
+++ b/test_resources/config/completions_elvish.txt
@@ -98,6 +98,7 @@ set edit:completion:arg-completer[trip] = {|@words|
             cand --tui-preserve-screen 'Preserve the screen on exit [default: false]'
             cand --print-tui-theme-items 'Print all TUI theme items and exit'
             cand --print-tui-binding-commands 'Print all TUI commands that can be bound and exit'
+            cand --generate-man 'Generate ROFF man page'
             cand --print-config-template 'Print a template toml config file and exit'
             cand -v 'Enable verbose debug logging'
             cand --verbose 'Enable verbose debug logging'
diff --git a/test_resources/config/completions_fish.txt b/test_resources/config/completions_fish.txt
index b291578c..99b1e8a3 100644
--- a/test_resources/config/completions_fish.txt
+++ b/test_resources/config/completions_fish.txt
@@ -50,6 +50,7 @@ complete -c trip -s z -l dns-lookup-as-info -d 'Lookup autonomous system (AS) in
 complete -c trip -l tui-preserve-screen -d 'Preserve the screen on exit [default: false]'
 complete -c trip -l print-tui-theme-items -d 'Print all TUI theme items and exit'
 complete -c trip -l print-tui-binding-commands -d 'Print all TUI commands that can be bound and exit'
+complete -c trip -l generate-man -d 'Generate ROFF man page'
 complete -c trip -l print-config-template -d 'Print a template toml config file and exit'
 complete -c trip -s v -l verbose -d 'Enable verbose debug logging'
 complete -c trip -s h -l help -d 'Print help (see more with \'--help\')'
diff --git a/test_resources/config/completions_powershell.txt b/test_resources/config/completions_powershell.txt
index 9916b068..fef90d9b 100644
--- a/test_resources/config/completions_powershell.txt
+++ b/test_resources/config/completions_powershell.txt
@@ -101,6 +101,7 @@ Register-ArgumentCompleter -Native -CommandName 'trip' -ScriptBlock {
             [CompletionResult]::new('--tui-preserve-screen', 'tui-preserve-screen', [CompletionResultType]::ParameterName, 'Preserve the screen on exit [default: false]')
             [CompletionResult]::new('--print-tui-theme-items', 'print-tui-theme-items', [CompletionResultType]::ParameterName, 'Print all TUI theme items and exit')
             [CompletionResult]::new('--print-tui-binding-commands', 'print-tui-binding-commands', [CompletionResultType]::ParameterName, 'Print all TUI commands that can be bound and exit')
+            [CompletionResult]::new('--generate-man', 'generate-man', [CompletionResultType]::ParameterName, 'Generate ROFF man page')
             [CompletionResult]::new('--print-config-template', 'print-config-template', [CompletionResultType]::ParameterName, 'Print a template toml config file and exit')
             [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'Enable verbose debug logging')
             [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'Enable verbose debug logging')
diff --git a/test_resources/config/completions_zsh.txt b/test_resources/config/completions_zsh.txt
index b0bb2648..56fe8b13 100644
--- a/test_resources/config/completions_zsh.txt
+++ b/test_resources/config/completions_zsh.txt
@@ -151,6 +151,7 @@ full\:"Display all event spans"))' \
 '--tui-preserve-screen[Preserve the screen on exit \[default\: false\]]' \
 '--print-tui-theme-items[Print all TUI theme items and exit]' \
 '--print-tui-binding-commands[Print all TUI commands that can be bound and exit]' \
+'--generate-man[Generate ROFF man page]' \
 '--print-config-template[Print a template toml config file and exit]' \
 '-v[Enable verbose debug logging]' \
 '--verbose[Enable verbose debug logging]' \
diff --git a/test_resources/config/trip.1 b/test_resources/config/trip.1
new file mode 100644
index 00000000..5d9c0a70
--- /dev/null
+++ b/test_resources/config/trip.1
@@ -0,0 +1,353 @@
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.TH trip 1  "trip 0.11.0-dev" 
+.SH NAME
+trip \- A network diagnostic tool
+.SH SYNOPSIS
+\fBtrip\fR [\fB\-c\fR|\fB\-\-config\-file\fR] [\fB\-m\fR|\fB\-\-mode\fR] [\fB\-u\fR|\fB\-\-unprivileged\fR] [\fB\-p\fR|\fB\-\-protocol\fR] [\fB\-\-udp\fR] [\fB\-\-tcp\fR] [\fB\-\-icmp\fR] [\fB\-F\fR|\fB\-\-addr\-family\fR] [\fB\-4\fR|\fB\-\-ipv4\fR] [\fB\-6\fR|\fB\-\-ipv6\fR] [\fB\-P\fR|\fB\-\-target\-port\fR] [\fB\-S\fR|\fB\-\-source\-port\fR] [\fB\-A\fR|\fB\-\-source\-address\fR] [\fB\-I\fR|\fB\-\-interface\fR] [\fB\-i\fR|\fB\-\-min\-round\-duration\fR] [\fB\-T\fR|\fB\-\-max\-round\-duration\fR] [\fB\-g\fR|\fB\-\-grace\-duration\fR] [\fB\-\-initial\-sequence\fR] [\fB\-R\fR|\fB\-\-multipath\-strategy\fR] [\fB\-U\fR|\fB\-\-max\-inflight\fR] [\fB\-f\fR|\fB\-\-first\-ttl\fR] [\fB\-t\fR|\fB\-\-max\-ttl\fR] [\fB\-\-packet\-size\fR] [\fB\-\-payload\-pattern\fR] [\fB\-Q\fR|\fB\-\-tos\fR] [\fB\-e\fR|\fB\-\-icmp\-extensions\fR] [\fB\-\-read\-timeout\fR] [\fB\-r\fR|\fB\-\-dns\-resolve\-method\fR] [\fB\-y\fR|\fB\-\-dns\-resolve\-all\fR] [\fB\-\-dns\-timeout\fR] [\fB\-z\fR|\fB\-\-dns\-lookup\-as\-info\fR] [\fB\-a\fR|\fB\-\-tui\-address\-mode\fR] [\fB\-\-tui\-as\-mode\fR] [\fB\-\-tui\-custom\-columns\fR] [\fB\-\-tui\-icmp\-extension\-mode\fR] [\fB\-\-tui\-geoip\-mode\fR] [\fB\-M\fR|\fB\-\-tui\-max\-addrs\fR] [\fB\-s\fR|\fB\-\-tui\-max\-samples\fR] [\fB\-\-tui\-max\-flows\fR] [\fB\-\-tui\-preserve\-screen\fR] [\fB\-\-tui\-refresh\-rate\fR] [\fB\-\-tui\-privacy\-max\-ttl\fR] [\fB\-\-tui\-theme\-colors\fR] [\fB\-\-print\-tui\-theme\-items\fR] [\fB\-\-tui\-key\-bindings\fR] [\fB\-\-print\-tui\-binding\-commands\fR] [\fB\-C\fR|\fB\-\-report\-cycles\fR] [\fB\-G\fR|\fB\-\-geoip\-mmdb\-file\fR] [\fB\-\-generate\fR] [\fB\-\-generate\-man\fR] [\fB\-\-print\-config\-template\fR] [\fB\-\-log\-format\fR] [\fB\-\-log\-filter\fR] [\fB\-\-log\-span\-events\fR] [\fB\-v\fR|\fB\-\-verbose\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fITARGETS\fR] 
+.SH DESCRIPTION
+A network diagnostic tool
+.SH OPTIONS
+.TP
+\fB\-c\fR, \fB\-\-config\-file\fR=\fICONFIG_FILE\fR
+Config file
+.TP
+\fB\-m\fR, \fB\-\-mode\fR=\fIMODE\fR
+Output mode [default: tui]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+tui: Display interactive TUI
+.IP \(bu 2
+stream: Display a continuous stream of tracing data
+.IP \(bu 2
+pretty: Generate a pretty text table report for N cycles
+.IP \(bu 2
+markdown: Generate a Markdown text table report for N cycles
+.IP \(bu 2
+csv: Generate a CSV report for N cycles
+.IP \(bu 2
+json: Generate a JSON report for N cycles
+.IP \(bu 2
+dot: Generate a Graphviz DOT file for N cycles
+.IP \(bu 2
+flows: Display all flows for N cycles
+.IP \(bu 2
+silent: Do not generate any tracing output for N cycles
+.RE
+.TP
+\fB\-u\fR, \fB\-\-unprivileged\fR
+Trace without requiring elevated privileges on supported platforms [default: false]
+.TP
+\fB\-p\fR, \fB\-\-protocol\fR=\fIPROTOCOL\fR
+Tracing protocol [default: icmp]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+icmp: Internet Control Message Protocol
+.IP \(bu 2
+udp: User Datagram Protocol
+.IP \(bu 2
+tcp: Transmission Control Protocol
+.RE
+.TP
+\fB\-\-udp\fR
+Trace using the UDP protocol
+.TP
+\fB\-\-tcp\fR
+Trace using the TCP protocol
+.TP
+\fB\-\-icmp\fR
+Trace using the ICMP protocol
+.TP
+\fB\-F\fR, \fB\-\-addr\-family\fR=\fIADDR_FAMILY\fR
+The address family [default: Ipv4thenIpv6]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+ipv4: Ipv4 only
+.IP \(bu 2
+ipv6: Ipv6 only
+.IP \(bu 2
+ipv6\-then\-ipv4: Ipv6 with a fallback to Ipv4
+.IP \(bu 2
+ipv4\-then\-ipv6: Ipv4 with a fallback to Ipv6
+.RE
+.TP
+\fB\-4\fR, \fB\-\-ipv4\fR
+Use IPv4 only
+.TP
+\fB\-6\fR, \fB\-\-ipv6\fR
+Use IPv6 only
+.TP
+\fB\-P\fR, \fB\-\-target\-port\fR=\fITARGET_PORT\fR
+The target port (TCP & UDP only) [default: 80]
+.TP
+\fB\-S\fR, \fB\-\-source\-port\fR=\fISOURCE_PORT\fR
+The source port (TCP & UDP only) [default: auto]
+.TP
+\fB\-A\fR, \fB\-\-source\-address\fR=\fISOURCE_ADDRESS\fR
+The source IP address [default: auto]
+.TP
+\fB\-I\fR, \fB\-\-interface\fR=\fIINTERFACE\fR
+The network interface [default: auto]
+.TP
+\fB\-i\fR, \fB\-\-min\-round\-duration\fR=\fIMIN_ROUND_DURATION\fR
+The minimum duration of every round [default: 1s]
+.TP
+\fB\-T\fR, \fB\-\-max\-round\-duration\fR=\fIMAX_ROUND_DURATION\fR
+The maximum duration of every round [default: 1s]
+.TP
+\fB\-g\fR, \fB\-\-grace\-duration\fR=\fIGRACE_DURATION\fR
+The period of time to wait for additional ICMP responses after the target has responded [default: 100ms]
+.TP
+\fB\-\-initial\-sequence\fR=\fIINITIAL_SEQUENCE\fR
+The initial sequence number [default: 33000]
+.TP
+\fB\-R\fR, \fB\-\-multipath\-strategy\fR=\fIMULTIPATH_STRATEGY\fR
+The Equal\-cost Multi\-Path routing strategy (UDP only) [default: classic]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+classic: The src or dest port is used to store the sequence number
+.IP \(bu 2
+paris: The UDP `checksum` field is used to store the sequence number
+.IP \(bu 2
+dublin: The IP `identifier` field is used to store the sequence number
+.RE
+.TP
+\fB\-U\fR, \fB\-\-max\-inflight\fR=\fIMAX_INFLIGHT\fR
+The maximum number of in\-flight ICMP echo requests [default: 24]
+.TP
+\fB\-f\fR, \fB\-\-first\-ttl\fR=\fIFIRST_TTL\fR
+The TTL to start from [default: 1]
+.TP
+\fB\-t\fR, \fB\-\-max\-ttl\fR=\fIMAX_TTL\fR
+The maximum number of TTL hops [default: 64]
+.TP
+\fB\-\-packet\-size\fR=\fIPACKET_SIZE\fR
+The size of IP packet to send (IP header + ICMP header + payload) [default: 84]
+.TP
+\fB\-\-payload\-pattern\fR=\fIPAYLOAD_PATTERN\fR
+The repeating pattern in the payload of the ICMP packet [default: 0]
+.TP
+\fB\-Q\fR, \fB\-\-tos\fR=\fITOS\fR
+The TOS (i.e. DSCP+ECN) IP header value (TCP and UDP only) [default: 0]
+.TP
+\fB\-e\fR, \fB\-\-icmp\-extensions\fR
+Parse ICMP extensions
+.TP
+\fB\-\-read\-timeout\fR=\fIREAD_TIMEOUT\fR
+The socket read timeout [default: 10ms]
+.TP
+\fB\-r\fR, \fB\-\-dns\-resolve\-method\fR=\fIDNS_RESOLVE_METHOD\fR
+How to perform DNS queries [default: system]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+system: Resolve using the OS resolver
+.IP \(bu 2
+resolv: Resolve using the `/etc/resolv.conf` DNS configuration
+.IP \(bu 2
+google: Resolve using the Google `8.8.8.8` DNS service
+.IP \(bu 2
+cloudflare: Resolve using the Cloudflare `1.1.1.1` DNS service
+.RE
+.TP
+\fB\-y\fR, \fB\-\-dns\-resolve\-all\fR
+Trace to all IPs resolved from DNS lookup [default: false]
+.TP
+\fB\-\-dns\-timeout\fR=\fIDNS_TIMEOUT\fR
+The maximum time to wait to perform DNS queries [default: 5s]
+.TP
+\fB\-z\fR, \fB\-\-dns\-lookup\-as\-info\fR
+Lookup autonomous system (AS) information during DNS queries [default: false]
+.TP
+\fB\-a\fR, \fB\-\-tui\-address\-mode\fR=\fITUI_ADDRESS_MODE\fR
+How to render addresses [default: host]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+ip: Show IP address only
+.IP \(bu 2
+host: Show reverse\-lookup DNS hostname only
+.IP \(bu 2
+both: Show both IP address and reverse\-lookup DNS hostname
+.RE
+.TP
+\fB\-\-tui\-as\-mode\fR=\fITUI_AS_MODE\fR
+How to render AS information [default: asn]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+asn: Show the ASN
+.IP \(bu 2
+prefix: Display the AS prefix
+.IP \(bu 2
+country\-code: Display the country code
+.IP \(bu 2
+registry: Display the registry name
+.IP \(bu 2
+allocated: Display the allocated date
+.IP \(bu 2
+name: Display the AS name
+.RE
+.TP
+\fB\-\-tui\-custom\-columns\fR=\fITUI_CUSTOM_COLUMNS\fR
+Custom columns to be displayed in the TUI hops table [default: holsravbwdt]
+.TP
+\fB\-\-tui\-icmp\-extension\-mode\fR=\fITUI_ICMP_EXTENSION_MODE\fR
+How to render ICMP extensions [default: off]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+off: Do not show `icmp` extensions
+.IP \(bu 2
+mpls: Show MPLS label(s) only
+.IP \(bu 2
+full: Show full `icmp` extension data for all known extensions
+.IP \(bu 2
+all: Show full `icmp` extension data for all classes
+.RE
+.TP
+\fB\-\-tui\-geoip\-mode\fR=\fITUI_GEOIP_MODE\fR
+How to render GeoIp information [default: short]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+off: Do not display GeoIp data
+.IP \(bu 2
+short: Show short format
+.IP \(bu 2
+long: Show long format
+.IP \(bu 2
+location: Show latitude and Longitude format
+.RE
+.TP
+\fB\-M\fR, \fB\-\-tui\-max\-addrs\fR=\fITUI_MAX_ADDRS\fR
+The maximum number of addresses to show per hop [default: auto]
+.TP
+\fB\-s\fR, \fB\-\-tui\-max\-samples\fR=\fITUI_MAX_SAMPLES\fR
+The maximum number of samples to record per hop [default: 256]
+.TP
+\fB\-\-tui\-max\-flows\fR=\fITUI_MAX_FLOWS\fR
+The maximum number of flows to show [default: 64]
+.TP
+\fB\-\-tui\-preserve\-screen\fR
+Preserve the screen on exit [default: false]
+.TP
+\fB\-\-tui\-refresh\-rate\fR=\fITUI_REFRESH_RATE\fR
+The Tui refresh rate [default: 100ms]
+.TP
+\fB\-\-tui\-privacy\-max\-ttl\fR=\fITUI_PRIVACY_MAX_TTL\fR
+The maximum ttl of hops which will be masked for privacy [default: 0]
+.TP
+\fB\-\-tui\-theme\-colors\fR=\fITUI_THEME_COLORS\fR
+The TUI theme colors [item=color,item=color,..]
+.TP
+\fB\-\-print\-tui\-theme\-items\fR
+Print all TUI theme items and exit
+.TP
+\fB\-\-tui\-key\-bindings\fR=\fITUI_KEY_BINDINGS\fR
+The TUI key bindings [command=key,command=key,..]
+.TP
+\fB\-\-print\-tui\-binding\-commands\fR
+Print all TUI commands that can be bound and exit
+.TP
+\fB\-C\fR, \fB\-\-report\-cycles\fR=\fIREPORT_CYCLES\fR
+The number of report cycles to run [default: 10]
+.TP
+\fB\-G\fR, \fB\-\-geoip\-mmdb\-file\fR=\fIGEOIP_MMDB_FILE\fR
+The supported MaxMind or IPinfo GeoIp mmdb file
+.TP
+\fB\-\-generate\fR=\fIGENERATE\fR
+Generate shell completion
+.br
+
+.br
+[\fIpossible values: \fRbash, elvish, fish, powershell, zsh]
+.TP
+\fB\-\-generate\-man\fR
+Generate ROFF man page
+.TP
+\fB\-\-print\-config\-template\fR
+Print a template toml config file and exit
+.TP
+\fB\-\-log\-format\fR=\fILOG_FORMAT\fR
+The debug log format [default: pretty]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+compact: Display log data in a compact format
+.IP \(bu 2
+pretty: Display log data in a pretty format
+.IP \(bu 2
+json: Display log data in a json format
+.IP \(bu 2
+chrome: Display log data in Chrome trace format
+.RE
+.TP
+\fB\-\-log\-filter\fR=\fILOG_FILTER\fR
+The debug log filter [default: trippy=debug]
+.TP
+\fB\-\-log\-span\-events\fR=\fILOG_SPAN_EVENTS\fR
+The debug log format [default: off]
+.br
+
+.br
+\fIPossible values:\fR
+.RS 14
+.IP \(bu 2
+off: Do not display event spans
+.IP \(bu 2
+active: Display enter and exit event spans
+.IP \(bu 2
+full: Display all event spans
+.RE
+.TP
+\fB\-v\fR, \fB\-\-verbose\fR
+Enable verbose debug logging
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Print help (see a summary with \*(Aq\-h\*(Aq)
+.TP
+\fB\-V\fR, \fB\-\-version\fR
+Print version
+.TP
+[\fITARGETS\fR]
+A space delimited list of hostnames and IPs to trace
+.SH VERSION
+v0.11.0\-dev
+.SH AUTHORS
+FujiApple <fujiapple852@gmail.com>
+
diff --git a/test_resources/config/usage_long.txt b/test_resources/config/usage_long.txt
index ebfa241a..00b18d2f 100644
--- a/test_resources/config/usage_long.txt
+++ b/test_resources/config/usage_long.txt
@@ -214,6 +214,9 @@ Options:
           
           [possible values: bash, elvish, fish, powershell, zsh]
 
+      --generate-man
+          Generate ROFF man page
+
       --print-config-template
           Print a template toml config file and exit
 
diff --git a/test_resources/config/usage_short.txt b/test_resources/config/usage_short.txt
index 67771c55..eb7f3fe8 100644
--- a/test_resources/config/usage_short.txt
+++ b/test_resources/config/usage_short.txt
@@ -106,6 +106,8 @@ Options:
           The supported MaxMind or IPinfo GeoIp mmdb file
       --generate <GENERATE>
           Generate shell completion [possible values: bash, elvish, fish, powershell, zsh]
+      --generate-man
+          Generate ROFF man page
       --print-config-template
           Print a template toml config file and exit
       --log-format <LOG_FORMAT>