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1.\" $FreeBSD: head/usr.bin/truss/truss.1 69860 2000-12-11 15:47:53Z ru $
1.\" $FreeBSD: head/usr.bin/truss/truss.1 70197 2000-12-19 16:00:12Z ru $
2.\"
3.Dd November 23, 1997
4.Dt TRUSS 1
5.Os FreeBSD
6.Sh NAME
7.Nm truss
8.Nd trace system calls
9.Sh SYNOPSIS

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42Execute
43.Ar command
44and trace the system calls of it.
45(The
46.Fl p
47and
48.Ar command
49options are mutually exclusive.)
2.\"
3.Dd November 23, 1997
4.Dt TRUSS 1
5.Os FreeBSD
6.Sh NAME
7.Nm truss
8.Nd trace system calls
9.Sh SYNOPSIS

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42Execute
43.Ar command
44and trace the system calls of it.
45(The
46.Fl p
47and
48.Ar command
49options are mutually exclusive.)
50.El
50.Sh EXAMPLES
51# Follow the system calls used in echoing "hello"
52.Dl $ truss /bin/echo hello
53# Do the same, but put the output into a file
54.Dl $ truss -o /tmp/truss.out /bin/echo hello
55# Follow an already-running process
56.Dl $ truss -p 1
57.Sh SEE ALSO

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51.Sh EXAMPLES
52# Follow the system calls used in echoing "hello"
53.Dl $ truss /bin/echo hello
54# Do the same, but put the output into a file
55.Dl $ truss -o /tmp/truss.out /bin/echo hello
56# Follow an already-running process
57.Dl $ truss -p 1
58.Sh SEE ALSO

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