它们都是linux操作系统底层的机制,目的就是为了加速对磁盘的访问。 第六行往后是进程列表,常见的这几列的意义分别为:PID(进程号), USER(运行用户),PR(优先级),NI(任务nice值),VIRT(虚拟内存用量),RES(物理内存用量),SHR(共享内存用量),S(进程状态),%CPU(CPU占用比),%MEM(内存占用比),TIME+(累计CPU占用...
SUMMARY AREA Commands and the `m' command for additional information on that special 4-way toggle. This table may help in interpreting the scaled values displayed: KiB = kibibyte = 1024 bytes MiB = mebibyte = 1024 KiB = 1,048,576 bytes GiB = gibibyte = 1024 MiB = 1,073,741,824 ...
See `OVERVIEW, Linux Memory Types' for additional details. 6. COMMAND -- Command Name or Command Line Display the command line used to start a task or the name of the associated program. You toggle between command line and name with `c', which is both a command-line option and an inte...
According to its man page, thetopcommand—referred to below as Linuxtop—provides "a dynamic real-time view of a running system." As the man page explains,topdisplays "system summary information as well as a list of processes or threads currently being managed by the Linux kernel. The types...
The top command allows users to monitor processes and system resource usage on Linux. It is one of the most useful tools in a sysadmin’s toolbox, and it comes pre-installed on every distribution. Unlike other commands such asps, it is interactive, and you can browse through the list of...
to run’ -- their task_struct is simply represented on the Linux run-queue. Even without a true SMP machine, you may see numerous tasks in this state depending on top’s delay interval and nice value. x: Command -- Command line or Program name ...
In this mode, top will not accept input and runs until the iterations limit you've set with the '-n' command-line option or until killed. -c :Command-line/Program-name toggle Starts top with the last remembered 'c' state reversed. Thus, if top was displaying command lines, now that ...
See `Overview, Linux Memory Types' for additional details. COMMAND -- Command Name or Command Line Display the command line used to start a task or the name of the associated program. You toggle between command line and name with `c', which is both a command-line option and an interactiv...
Explanation: The substring command selects the substring starting from 4 to 5, excluding the 5th index. The indexing starts from 0. So, the output here is just “s” rather than sf. Question 5. what is the correct file extension for Javascript files? A .java B .js C .javascript D ....
In this mode, any input is immediately read for processing. See the section on "Interactive Mode" for an explanation of which keys perform what functions. After the command is pro- cessed, the screen will immediately be updated, even if the command was not understood. This mode is the ...