lsãå®è¡ããå ´åããã£ã¬ã¯ããªã®ä¸è¦§ããç¹å®ã®ãã¡ã¤ã«ãæ¢ãåºãã¨å ±ã«ããã®ãã¡ã¤ã«ãåå¨ãããã£ã¬ã¯ããªã®ç¶æ³ã確èªããããã¨ããããlsã®åºåãgrepã«ãã¤ããã¦ãããã®ã ããããã§ã¯ãã£ã¬ã¯ããªå ¨ä½ã表示ãã¦æ¡ä»¶ã«ããããããã¡ã¤ã«ã ã表示ã®è²ãå¤ãããã¯ã§ããªããä»åã¯ãããããå½¢ã§lsã®çµæã表示ã§ããç°¡åãªã¹ã¯ãªãããä½æãããã ãã¨ãã°ãã/proc/sys/net/ipv4ããããã¡ã¤ã«åã«âmaxâãå«ããã¡ã¤ã«ãè¦ã¤ãåºãããã¨ããããls /proc/sys/net/ipv4 | grep maxãã¨ããã°ãâmaxâãå«ãé¨åã¯grepã«ãã£ã¦èµ¤è²ã®è¡¨ç¤ºã«å¤ãããããã£ã¬ã¯ããªä¸è¦§ã®ãã以å¤ã®é¨åã¯è¡¨ç¤ºãããªãããããã®åæ¹ãå¯è½ã«ãã¦ãããã®ãã次ã®ã¹ã¯ãªããã ã #!/bin/bash # name of the script 'l' just the l
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