z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

Option
Usage Note
Localization
Exit Values
Portability
Related Information
sh, tcsh
on page 626). If necessary, an extra shell is created to print the time statistic when
the command completes. Without command, time prints a time summary for the
current shell and its children.
–p Guarantees that the historical format of the time command is output.
time is a built-in shell command.
time uses the following localization environment variables:
v LANG
v LC_ALL
v LC_CTYPE
v LC_MESSAGES
v LC_NUMERIC
v NLSPATH
See Appendix F for more information.
If time successfully invokes command-line, it returns the exit status of
command-line. Otherwise, possible exit status values are:
0 Successful completion
1 An error occurred in the time utility
2 Failure due to an invalid command-line option
2 Invalid command-line argument
126 time found command but could not invoke it
127 time could not find command
POSIX.2 User Portability Extension, X/Open Portability Guide, UNIX systems.
times — Get process and child process times
Format
Description
times [–p]
time
times displays user and system times accumulated by the shell and commands run
as children of the shell. Times are displayed in minutes and seconds. User time is
CPU time spent in user programs. System time is CPU time spent in the operating
system on behalf of the user process.
Chapter 2. Shell command descriptions 699