Linux顯示計算次數的結果

標籤：linux   ubuntu   64位   

Linux顯示計算次數的結果

[email protected]:~$ free -cfree：選項需要一個參數 -- cUsage: free [options]Options: -b, --bytes         show output in bytes -k, --kilo          show output in kilobytes -m, --mega          show output in megabytes -g, --giga          show output in gigabytes     --tera          show output in terabytes -h, --human         show human-readable output     --si            use powers of 1000 not 1024 -l, --lohi          show detailed low and high memory statistics -o, --old           use old format (without -/+buffers/cache line) -t, --total         show total for RAM + swap -s N, --seconds N   repeat printing every N seconds -c N, --count N     repeat printing N times, then exit     --help     display this help and exit -V, --version  output version information and exitFor more details see free(1).[email protected]:~$ free --countfree: option '--count' requires an argumentUsage: free [options]Options: -b, --bytes         show output in bytes -k, --kilo          show output in kilobytes -m, --mega          show output in megabytes -g, --giga          show output in gigabytes     --tera          show output in terabytes -h, --human         show human-readable output     --si            use powers of 1000 not 1024 -l, --lohi          show detailed low and high memory statistics -o, --old           use old format (without -/+buffers/cache line) -t, --total         show total for RAM + swap -s N, --seconds N   repeat printing every N seconds -c N, --count N     repeat printing N times, then exit     --help     display this help and exit -V, --version  output version information and exitFor more details see free(1).

Linux顯示計算次數的結果