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Psmisc/Procps  

2009-01-13 02:29:09|  分类: linux-system |  标签: |举报 |字号 订阅

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The Psmisc package contains programs for displaying information about running processes.

fuser
    Reports the Process IDs (PIDs) of processes that use the given files or file systems
oldfuser
    Reports the Process IDs (PIDs) of processes that use the given files or file systems
peekfd
    Peek at file descriptors of a running process, given its PID
pstree
    Displays running processes as a tree
pstree.x11
    Same as pstree, except that it waits for confirmation before exiting
killall
    Kills processes by name; it sends a signal to all processes running any of the given commands

===================================================================================
The Procps package contains programs for monitoring processes.

top
    Displays a list of the most CPU intensive processes; it provides an ongoing look at processor activity in real time
free
    Reports the amount of free and used memory (both physical and swap memory) in the system
vmstat
    Reports virtual memory statistics, giving information about processes, memory, paging, block Input/Output (IO), traps, and CPU activity
slabtop
    Displays detailed kernel slap cache information in real time

uptime
    Reports how long the system has been running, how many users are logged on, and the system load averages
tload
    Prints a graph of the current system load average
w
    Shows which users are currently logged on, where, and since when


sysctl
    Modifies kernel parameters at run time
watch
    Runs a given command repeatedly, displaying the first screen-full of its output; this allows a user to watch the output change over time


ps
    Lists the current running processes
pgrep
    Looks up processes based on their name and other attributes
pmap
    Reports the memory map of the given process
pwdx
    Reports the current working directory of a process
snice
    Changes the scheduling priority of processes matching the given criteria


kill
    Sends signals to processes
pkill
    Signals processes based on their name and other attributes
skill
    Sends signals to processes matching the given criteria


libproc
    Contains the functions used by most programs in this package
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