code: 9ferno

ref: 600bbfe4aaa9ad0f73d8d73eef1b7670e5f7d3a3
dir: /man/1/time/

View raw version
.TH TIME 1
.SH NAME
time \- time command execution
.SH SYNOPSIS
.B time
.I command
[
.I arg ...
]
.SH DESCRIPTION
.I Time
executes the
.I command
with the given arguments, and reports on standard error the command's
load time, real time for execution, and the total, in seconds.
The load time
is just the time for
.I time
itself to load
.IR command ;
loads done later by the command are included in the real time.
To time a pipeline, use the
.B -c
option to
.IR sh (1):
.IP
.B "time sh -c 'ps | grep Sh'"
.SH SOURCE
.B /appl/cmd/time.b
.SH "SEE ALSO"
.IR sh (1),
.IR sys-millisec (2)
.SH BUGS
There is no way to measure CPU time (real or virtual) used by a command.