time Linux Commands
What is Linux time Command?
Explanation
time COMMAND:Time command is used to find the time taken by the system to execute a program. This command gives the information about the time taken by the system in kernel mode (real) , user mode (user) and the resource used by the system (sys).SYNTAX :
time [options] command [arguments]OPTIONS:
-o FILE
Write the resource use statistics to FILE.
-a,--append
Append the resource use information to the output file instead of overwriting it.
-p,--portability
Use the POSIX format.
-V
Use the built-in verbose format.
EXAMPLE:
-
time test.php
Output:
real 0m0.032s
user 0m0.002s
sys 0m0.000s
The above command displays the time taken to execute the program test.php.
time [options] command [arguments]
OPTIONS:
-o FILE
Write the resource use statistics to FILE.
-a,--append
Append the resource use information to the output file instead of overwriting it.
-p,--portability
Use the POSIX format.
-V
Use the built-in verbose format.
EXAMPLE:
-
time test.php
Output:
real 0m0.032s
user 0m0.002s
sys 0m0.000s
The above command displays the time taken to execute the program test.php.
| -o FILE | Write the resource use statistics to FILE. |
| -a,--append | Append the resource use information to the output file instead of overwriting it. |
| -p,--portability | Use the POSIX format. |
| -V | Use the built-in verbose format. |
-
time test.phpOutput:real 0m0.032s user 0m0.002s sys 0m0.000sThe above command displays the time taken to execute the program test.php.
