20 lines
276 B
Bash
20 lines
276 B
Bash
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#!/bin/bash
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case "$1" in
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free)
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free -m | awk '/Mem/{print $4}'
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;;
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total)
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free -m | awk '/Mem/{print $2}'
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;;
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used)
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free -m | awk '/Mem/{print $3}'
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;;
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swap)
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free -m | awk '/Swap/{print $3}'
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;;
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*)
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echo "Usage: $0 {free|total|used|swap}"
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exit 1
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;;
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esac
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