Editing Free (command)
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− | + | <code>free</code> <ref>http://man7.org/linux/man-pages/man1/free.1.html</ref> display amount of free and used [[memory]] in the system | |
− | <code>free</code> | + | <pre> |
− | + | free -h | |
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total used free shared buff/cache available | total used free shared buff/cache available | ||
− | + | Mem: 503G 21G 43G 2.1M 438G 478G | |
− | + | Swap: 975M 50M 925M | |
+ | </pre> | ||
− | + | <pre> | |
− | + | free | |
total used free shared buff/cache available | total used free shared buff/cache available | ||
− | + | Mem: 528029540 22891532 48868648 2128 456269360 501718128 | |
− | + | Swap: 999420 51456 947964 | |
− | + | </pre> | |
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== Activities == | == Activities == | ||
− | # | + | # Emptying the buffers cache: <code>free -h && [[sync]] && echo 3 > /proc/sys/vm/[[drop_caches]] && free -h</code><ref>https://unix.stackexchange.com/questions/87908/how-do-you-empty-the-buffers-and-cache-on-a-linux-system</ref> |
# Use <code>[[fio]]</code> with <code>direct=0</code> to fill up your cache. | # Use <code>[[fio]]</code> with <code>direct=0</code> to fill up your cache. | ||
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== See also == | == See also == | ||
− | + | * <code>[[Linux server administration/sar/sar -r|sar -r]]</code> | |
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− | * <code>[[ | ||
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* [[RAM]] and [[file Systems|filesystem]] | * [[RAM]] and [[file Systems|filesystem]] | ||
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* [[linux-ftools]] | * [[linux-ftools]] | ||
[[Category:Linux]] | [[Category:Linux]] |
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