.nh .TH "WITR" "1" "Jul 2026" "" "" .SH NAME witr - Why is this running? .SH SYNOPSIS \fBwitr [process name...] [flags]\fP .SH DESCRIPTION witr explains why a process or port is running by tracing its ancestry. .SH OPTIONS \fB-c\fP, \fB--container\fP=[] container(s) to look up (repeatable) .PP \fB--env\fP[=false] show environment variables for the process .PP \fB-x\fP, \fB--exact\fP[=false] use exact name matching (no substring search) .PP \fB-f\fP, \fB--file\fP=[] file(s) held open by a process (repeatable) .PP \fB-h\fP, \fB--help\fP[=false] help for witr .PP \fB-i\fP, \fB--interactive\fP[=false] interactive mode (TUI) .PP \fB--json\fP[=false] show result as JSON .PP \fB--no-color\fP[=false] disable colorized output .PP \fB-p\fP, \fB--pid\fP=[] pid(s) to look up (repeatable) .PP \fB-o\fP, \fB--port\fP=[] port(s) to look up (repeatable) .PP \fB-s\fP, \fB--short\fP[=false] show only ancestry .PP \fB-t\fP, \fB--tree\fP[=false] show only ancestry as a tree .PP \fB--verbose\fP[=false] show extended process information .PP \fB--warnings\fP[=false] show only warnings .SH EXAMPLE .EX # Inspect a running process by name witr nginx # Look up a process by PID witr --pid 1234 # Find the process listening on a specific port witr --port 5432 # Find the process holding a file open witr --file /var/lib/dpkg/lock # Inspect a container by name witr --container redis # Inspect a process by name with exact matching (no fuzzy search) witr bun --exact # Show the full process ancestry (who started whom) witr postgres --tree # Show only warnings (suspicious env, arguments, parents) witr docker --warnings # Display only environment variables of the process witr node --env # Short, single-line output (useful for scripts) witr sshd --short # Disable colorized output (CI or piping) witr redis --no-color # Output machine-readable JSON witr chrome --json # Show extended process information (memory, I/O, file descriptors) witr mysql --verbose # Combine flags: inspect port, show environment variables, output JSON witr --port 8080 --env --json # Multiple inputs witr nginx node witr --port 8080 --port 3000 witr --pid 1234 --pid 5678 # Mixed inputs witr nginx --pid 1234 --port 8080 .EE