{"id":18279,"date":"2025-04-19T00:42:05","date_gmt":"2025-04-18T16:42:05","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18279.html"},"modified":"2025-04-19T00:42:05","modified_gmt":"2025-04-18T16:42:05","slug":"linux%e4%b8%8b50%e4%b8%aa%e9%ab%98%e7%ba%a7%e5%91%bd%e4%bb%a4%e5%8f%8a%e4%bd%bf%e7%94%a8%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18279.html","title":{"rendered":"Linux\u4e0b50\u4e2a\u9ad8\u7ea7\u547d\u4ee4\u53ca\u4f7f\u7528\u8bf4\u660e"},"content":{"rendered":"

\u4ee5\u4e0b\u662f 50 \u4e2a Linux \u4e0b\u7684\u9ad8\u7ea7\u547d\u4ee4\u53ca\u5176\u4f7f\u7528\u8bf4\u660e\u3002\u8fd9\u4e9b\u547d\u4ee4\u6db5\u76d6\u4e86\u7cfb\u7edf\u7ba1\u7406\u3001\u6587\u4ef6\u5904\u7406\u3001\u7f51\u7edc\u914d\u7f6e\u548c\u8c03\u8bd5\u7b49\u65b9\u9762\u7684\u64cd\u4f5c\u3002<\/p>\n

  • find \u641c\u7d22\u6587\u4ef6\u548c\u76ee\u5f55\u3002<\/li>\n

    find<\/span> \/path\/to\/search -name<\/span> "filename"<\/span> # \u6309\u540d\u79f0\u641c\u7d22\u6587\u4ef6<\/span>
    \nfind<\/span> \/path\/to\/search -type<\/span> f -mtime<\/span> -7<\/span> # \u67e5\u627e\u8fc7\u53bb7\u5929\u5185\u4fee\u6539\u8fc7\u7684\u6587\u4ef6<\/span><\/p>\n

  • grep \u5728\u6587\u4ef6\u4e2d\u641c\u7d22\u6587\u672c\u3002<\/li>\n

    grep<\/span> "search_text"<\/span> file.txt # \u641c\u7d22\u6307\u5b9a\u6587\u672c<\/span>
    \ngrep<\/span> -r<\/span> "search_text"<\/span> \/path\/to\/dir # \u9012\u5f52\u641c\u7d22\u76ee\u5f55\u4e2d\u7684\u6587\u672c<\/span>
    \ngrep<\/span> -i<\/span> "search_text"<\/span> file.txt # \u5ffd\u7565\u5927\u5c0f\u5199\u641c\u7d22<\/span><\/p>\n

  • awk \u5904\u7406\u548c\u5206\u6790\u6587\u672c\u6570\u636e\u3002<\/li>\n

    awk<\/span> '{print $1}'<\/span> file.txt # \u6253\u5370\u6587\u4ef6\u7684\u7b2c\u4e00\u5217<\/span>
    \nawk<\/span> -F":"<\/span> '{print $1, $3}'<\/span> \/etc\/passwd # \u4f7f\u7528":"\u4f5c\u4e3a\u5b57\u6bb5\u5206\u9694\u7b26<\/span><\/p>\n

  • sed \u6d41\u7f16\u8f91\u5668，\u7528\u4e8e\u5904\u7406\u548c\u8f6c\u6362\u6587\u672c\u6d41\u3002<\/li>\n

    sed<\/span> 's\/old_text\/new_text\/'<\/span> file.txt # \u66ff\u6362\u6587\u672c\u4e2d\u7684"old_text"\u4e3a"new_text"<\/span>
    \nsed<\/span> -i<\/span> 's\/old_text\/new_text\/'<\/span> file.txt # \u76f4\u63a5\u4fee\u6539\u6587\u4ef6<\/span><\/p>\n

  • xargs \u5c06\u8f93\u5165\u6570\u636e\u8f6c\u6362\u4e3a\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/li>\n

    find<\/span> \/path\/to\/dir -type<\/span> f |<\/span> xargs<\/span> rm<\/span> # \u5220\u9664\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u6587\u4ef6<\/span>
    \necho<\/span> "file1 file2 file3"<\/span> |<\/span> xargs<\/span> -n<\/span> 1<\/span> mv<\/span> -t<\/span> \/new\/dir # \u5c06\u6587\u4ef6\u79fb\u52a8\u5230\u65b0\u76ee\u5f55<\/span><\/p>\n

  • tar \u6253\u5305\u548c\u89e3\u5305\u6587\u4ef6\u3002<\/li>\n

    tar<\/span> -cvf<\/span> archive.tar \/path\/to\/dir # \u6253\u5305\u76ee\u5f55<\/span>
    \ntar<\/span> -xvf<\/span> archive.tar # \u89e3\u5305 tar \u6587\u4ef6<\/span>
    \ntar<\/span> -czvf<\/span> archive.tar.gz \/path\/to\/dir # \u538b\u7f29\u76ee\u5f55\u4e3a tar.gz<\/span>
    \ntar<\/span> -xzvf<\/span> archive.tar.gz # \u89e3\u538b tar.gz \u6587\u4ef6<\/span><\/p>\n

  • gzip \u548c gunzip \u538b\u7f29\u548c\u89e3\u538b\u6587\u4ef6\u3002<\/li>\n

    gzip<\/span> file.txt # \u538b\u7f29\u6587\u4ef6<\/span>
    \ngunzip file.txt.gz # \u89e3\u538b\u6587\u4ef6<\/span><\/p>\n

  • bzip2 \u548c bunzip2 \u4f7f\u7528 bzip2 \u538b\u7f29\u548c\u89e3\u538b\u6587\u4ef6\u3002<\/li>\n

    bzip2<\/span> file.txt # \u538b\u7f29\u6587\u4ef6<\/span>
    \nbunzip2 file.txt.bz2 # \u89e3\u538b\u6587\u4ef6<\/span><\/p>\n

  • zip \u548c unzip \u538b\u7f29\u548c\u89e3\u538b zip \u6587\u4ef6\u3002<\/li>\n

    zip<\/span> archive.zip file1 file2 # \u538b\u7f29\u6587\u4ef6<\/span>
    \nunzip<\/span> archive.zip # \u89e3\u538b zip \u6587\u4ef6<\/span><\/p>\n

  • ssh \u5b89\u5168\u5730\u8fdc\u7a0b\u8fde\u63a5\u5230\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u3002<\/li>\n

    ssh<\/span> user@remote_host # \u8fde\u63a5\u5230\u8fdc\u7a0b\u4e3b\u673a<\/span>
    \nssh<\/span> -i<\/span> \/path\/to\/key user@remote_host # \u4f7f\u7528\u79c1\u94a5\u6587\u4ef6\u8fde\u63a5<\/span><\/p>\n

  • scp \u5b89\u5168\u5730\u590d\u5236\u6587\u4ef6\u5230\u8fdc\u7a0b\u4e3b\u673a\u6216\u4ece\u8fdc\u7a0b\u4e3b\u673a\u590d\u5236\u6587\u4ef6\u3002<\/li>\n

    scp<\/span> file.txt user@remote_host:\/path\/to\/dir # \u4ece\u672c\u5730\u590d\u5236\u6587\u4ef6\u5230\u8fdc\u7a0b\u4e3b\u673a<\/span>
    \nscp<\/span> user@remote_host:\/path\/to\/file.txt .<\/span> # \u4ece\u8fdc\u7a0b\u4e3b\u673a\u590d\u5236\u6587\u4ef6\u5230\u672c\u5730<\/span><\/p>\n

  • rsync \u9ad8\u6548\u5730\u540c\u6b65\u6587\u4ef6\u548c\u76ee\u5f55\u3002<\/li>\n

    rsync<\/span> -av<\/span> \/path\/to\/source\/ \/path\/to\/dest\/ # \u540c\u6b65\u672c\u5730\u76ee\u5f55<\/span>
    \nrsync<\/span> -avz<\/span> user@remote_host:\/path\/to\/dir \/path\/to\/local\/dir # \u540c\u6b65\u8fdc\u7a0b\u76ee\u5f55<\/span><\/p>\n

  • curl \u4e0e\u7f51\u7edc\u670d\u52a1\u5668\u4ea4\u4e92，\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/li>\n

    curl<\/span> http:\/\/example.com # \u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/span>
    \ncurl<\/span> -O<\/span> http:\/\/example.com\/file.txt # \u4e0b\u8f7d\u6587\u4ef6<\/span>
    \ncurl<\/span> -X<\/span> POST -d<\/span> "param1=value1"<\/span> http:\/\/example.com\/api # \u53d1\u9001 POST \u8bf7\u6c42<\/span><\/p>\n

  • wget \u4ece\u7f51\u7edc\u4e0a\u4e0b\u8f7d\u6587\u4ef6\u3002<\/li>\n

    wget<\/span> http:\/\/example.com\/file.txt # \u4e0b\u8f7d\u6587\u4ef6<\/span>
    \nwget<\/span> -r<\/span> http:\/\/example.com\/ # \u9012\u5f52\u4e0b\u8f7d\u7f51\u7ad9<\/span><\/p>\n

  • netstat \u663e\u793a\u7f51\u7edc\u8fde\u63a5\u3001\u8def\u7531\u8868\u548c\u63a5\u53e3\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n

    netstat<\/span> -tuln<\/span> # \u663e\u793a\u76d1\u542c\u7684\u7aef\u53e3<\/span>
    \nnetstat<\/span> -anp<\/span> # \u663e\u793a\u7f51\u7edc\u8fde\u63a5\u548c\u76f8\u5173\u7a0b\u5e8f<\/span><\/p>\n

  • ss \u663e\u793a\u7f51\u7edc\u5957\u63a5\u5b57\u4fe1\u606f\u3002<\/li>\n

    ss -tuln<\/span> # \u663e\u793a\u76d1\u542c\u7684\u7aef\u53e3<\/span>
    \nss -s<\/span> # \u663e\u793a\u5957\u63a5\u5b57\u7edf\u8ba1<\/span><\/p>\n

  • top \u5b9e\u65f6\u663e\u793a\u7cfb\u7edf\u8fdb\u7a0b\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n

    top<\/span> # \u663e\u793a\u7cfb\u7edf\u8fdb\u7a0b<\/span>
    \nhtop<\/span> # \u4ea4\u4e92\u5f0f\u8fdb\u7a0b\u67e5\u770b\u5668<\/span><\/p>\n

  • ps \u663e\u793a\u5f53\u524d\u8fdb\u7a0b\u72b6\u6001\u3002<\/li>\n

    ps<\/span> aux # \u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f<\/span>
    \nps<\/span> -ef<\/span> # \u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u6807\u51c6\u683c\u5f0f<\/span><\/p>\n

  • kill \u7ec8\u6b62\u8fdb\u7a0b\u3002<\/li>\n

    kill<\/span> PID # \u7ec8\u6b62\u6307\u5b9a PID \u7684\u8fdb\u7a0b<\/span>
    \nkill<\/span> -9<\/span> PID # \u5f3a\u5236\u7ec8\u6b62\u8fdb\u7a0b<\/span><\/p>\n

  • pkill \u6839\u636e\u8fdb\u7a0b\u540d\u79f0\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/li>\n

    pkill<\/span> process_name # \u7ec8\u6b62\u6240\u6709\u5339\u914d\u8fdb\u7a0b\u540d\u79f0\u7684\u8fdb\u7a0b<\/span><\/p>\n

  • systemctl \u7ba1\u7406\u7cfb\u7edf\u670d\u52a1（\u9002\u7528\u4e8e\u4f7f\u7528 systemd \u7684\u7cfb\u7edf）\u3002<\/li>\n

    systemctl start service_name # \u542f\u52a8\u670d\u52a1<\/span>
    \nsystemctl stop service_name # \u505c\u6b62\u670d\u52a1<\/span>
    \nsystemctl restart service_name # \u91cd\u542f\u670d\u52a1<\/span>
    \nsystemctl status service_name # \u67e5\u770b\u670d\u52a1\u72b6\u6001<\/span><\/p>\n

  • journalctl \u67e5\u770b\u548c\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7（\u9002\u7528\u4e8e\u4f7f\u7528 systemd \u7684\u7cfb\u7edf）\u3002<\/li>\n

    journalctl -xe<\/span> # \u67e5\u770b\u6700\u8fd1\u7684\u65e5\u5fd7<\/span>
    \njournalctl -u<\/span> service_name # \u67e5\u770b\u6307\u5b9a\u670d\u52a1\u7684\u65e5\u5fd7<\/span><\/p>\n

  • crontab \u7ba1\u7406\u5b9a\u65f6\u4efb\u52a1\u3002<\/li>\n

    crontab<\/span> -e<\/span> # \u7f16\u8f91\u5f53\u524d\u7528\u6237\u7684 crontab \u6587\u4ef6<\/span>
    \ncrontab<\/span> -l<\/span> # \u5217\u51fa\u5f53\u524d\u7528\u6237\u7684 crontab \u4efb\u52a1<\/span><\/p>\n

  • at \u5b89\u6392\u4e00\u6b21\u6027\u4efb\u52a1\u3002<\/li>\n

    at now + 1<\/span> minute # \u5b89\u6392\u4efb\u52a1\u5728\u4e00\u5206\u949f\u540e\u6267\u884c<\/span>
    \natq # \u5217\u51fa\u5f85\u5904\u7406\u7684\u4efb\u52a1<\/span>
    \natrm job_number # \u5220\u9664\u6307\u5b9a\u4efb\u52a1<\/span><\/p>\n

  • chmod \u66f4\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\u3002<\/li>\n

    chmod<\/span> 755<\/span> file.txt # \u8bbe\u7f6e\u6743\u9650\u4e3a rwxr-xr-x<\/span>
    \nchmod<\/span> -R<\/span> 755<\/span> \/path\/to\/dir # \u9012\u5f52\u8bbe\u7f6e\u76ee\u5f55\u6743\u9650<\/span><\/p>\n

  • chown \u66f4\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u6709\u8005\u548c\u7ec4\u3002<\/li>\n

    chown<\/span> user:group file.txt # \u66f4\u6539\u6587\u4ef6\u6240\u6709\u8005\u548c\u7ec4<\/span>
    \nchown<\/span> -R<\/span> user:group \/path\/to\/dir # \u9012\u5f52\u66f4\u6539\u76ee\u5f55\u6240\u6709\u8005\u548c\u7ec4<\/span><\/p>\n

  • df \u663e\u793a\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n

    df<\/span> -h<\/span> # \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5<\/span>
    \ndf<\/span> -i<\/span> # \u663e\u793a inode \u4f7f\u7528\u60c5\u51b5<\/span><\/p>\n

  • du \u663e\u793a\u76ee\u5f55\u7684\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n

    du<\/span> -sh<\/span> \/path\/to\/dir # \u663e\u793a\u76ee\u5f55\u603b\u5927\u5c0f<\/span>
    \ndu<\/span> -ah<\/span> \/path\/to\/dir # \u663e\u793a\u76ee\u5f55\u4e0b\u6bcf\u4e2a\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\u7684\u5927\u5c0f<\/span><\/p>\n

  • free \u663e\u793a\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n

    free<\/span> -h<\/span> # \u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\u663e\u793a\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/span>
    \nfree<\/span> -m<\/span> # \u4ee5 MB \u4e3a\u5355\u4f4d\u663e\u793a\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/span><\/p>\n

  • uptime \u663e\u793a\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4\u548c\u8d1f\u8f7d\u5e73\u5747\u503c\u3002<\/li>\n

    uptime<\/span> # \u663e\u793a\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4\u548c\u8d1f\u8f7d\u5e73\u5747\u503c<\/span><\/p>\n

  • dmesg \u663e\u793a\u5185\u6838\u548c\u542f\u52a8\u4fe1\u606f\u3002<\/li>\n

    dmesg<\/span> # \u663e\u793a\u5185\u6838\u73af\u5f62\u7f13\u51b2\u533a\u4e2d\u7684\u4fe1\u606f<\/span>
    \ndmesg<\/span> |<\/span> grep<\/span> error # \u8fc7\u6ee4\u663e\u793a\u9519\u8bef\u4fe1\u606f<\/span><\/p>\n

  • lsof \u5217\u51fa\u6253\u5f00\u7684\u6587\u4ef6\u548c\u76f8\u5173\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002<\/li>\n

    lsof<\/span> # \u663e\u793a\u6240\u6709\u6253\u5f00\u7684\u6587\u4ef6<\/span>
    \nlsof<\/span> -i<\/span> :80 # \u663e\u793a\u4f7f\u7528\u7aef\u53e380\u7684\u8fdb\u7a0b<\/span><\/p>\n

  • strace \u8ddf\u8e2a\u7cfb\u7edf\u8c03\u7528\u548c\u4fe1\u53f7\u3002<\/li>\n

    strace<\/span> command<\/span> # \u8ddf\u8e2a\u547d\u4ee4\u7684\u7cfb\u7edf\u8c03\u7528<\/span>
    \nstrace<\/span> -p<\/span> PID # \u8ddf\u8e2a\u6307\u5b9a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528<\/span><\/p>\n

  • tcpdump \u6355\u83b7\u548c\u5206\u6790\u7f51\u7edc\u6d41\u91cf\u3002<\/li>\n

    tcpdump -i<\/span> eth0 # \u6355\u83b7 eth0 \u7f51\u7edc\u63a5\u53e3\u7684\u6d41\u91cf<\/span>
    \ntcpdump -i<\/span> eth0 port 80<\/span> # \u6355\u83b7\u6307\u5b9a\u7aef\u53e3\u7684\u6d41\u91cf<\/span><\/p>\n

  • iptables \u914d\u7f6e\u548c\u7ba1\u7406\u7f51\u7edc\u9632\u706b\u5899\u89c4\u5219\u3002<\/li>\n

    iptables -L<\/span> # \u5217\u51fa\u5f53\u524d\u9632\u706b\u5899\u89c4\u5219<\/span>
    \niptables -A<\/span> INPUT -p<\/span> tcp –dport<\/span> 22<\/span> -j<\/span> ACCEPT # \u5141\u8bb8 TCP \u7aef\u53e322\u7684\u8fde\u63a5<\/span><\/p>\n

  • ip \u663e\u793a\u548c\u4fee\u6539\u7f51\u7edc\u63a5\u53e3\u548c\u8def\u7531\u3002<\/li>\n

    ip<\/span> addr show # \u663e\u793a\u7f51\u7edc\u63a5\u53e3\u7684 IP \u5730\u5740<\/span>
    \nip<\/span> route show # \u663e\u793a\u8def\u7531\u8868<\/span><\/p>\n

  • hostname \u663e\u793a\u6216\u8bbe\u7f6e\u7cfb\u7edf\u4e3b\u673a\u540d\u3002<\/li>\n

    hostname<\/span> # \u663e\u793a\u5f53\u524d\u4e3b\u673a\u540d<\/span>
    \nhostnamectl set-hostname new-hostname # \u8bbe\u7f6e\u65b0\u7684\u4e3b\u673a\u540d<\/span><\/p>\n

  • mount \u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n

    mount<\/span> \/dev\/sdX1 \/mnt\/point # \u6302\u8f7d\u8bbe\u5907\u5230\u6307\u5b9a\u76ee\u5f55<\/span>
    \numount<\/span> \/mnt\/point # \u5378\u8f7d\u6302\u8f7d\u7684\u6587\u4ef6\u7cfb\u7edf<\/span><\/p>\n

  • blkid \u5217\u51fa\u5757\u8bbe\u5907\u7684\u4fe1\u606f\u3002<\/li>\n

    blkid # \u663e\u793a\u6240\u6709\u5757\u8bbe\u5907\u7684 UUID \u548c\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b<\/span><\/p>\n

  • parted \u7ba1\u7406\u78c1\u76d8\u5206\u533a\u3002<\/li>\n

    parted<\/span> \/dev\/sdX # \u542f\u52a8 parted \u5de5\u5177<\/span>
    \nparted><\/span> print # \u6253\u5370\u5206\u533a\u8868<\/span><\/p>\n

  • fdisk \u7ba1\u7406\u78c1\u76d8\u5206\u533a\u8868\u3002<\/li>\n

    fdisk<\/span> \/dev\/sdX # \u542f\u52a8 fdisk \u5de5\u5177<\/span>
    \nfdisk<\/span> -l<\/span> # \u5217\u51fa\u6240\u6709\u5206\u533a\u4fe1\u606f<\/span><\/p>\n

  • mkfs \u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n

    mkfs.ext4 \/dev\/sdX1 # \u521b\u5efa ext4 \u6587\u4ef6\u7cfb\u7edf<\/span>
    \nmkfs.xfs \/dev\/sdX1 # \u521b\u5efa xfs \u6587\u4ef6\u7cfb\u7edf<\/span><\/p>\n

  • fsck \u68c0\u67e5\u548c\u4fee\u590d\u6587\u4ef6\u7cfb\u7edf\u9519\u8bef\u3002<\/li>\n

    fsck<\/span> \/dev\/sdX1 # \u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf<\/span>
    \nfsck<\/span> -y<\/span> \/dev\/sdX1 # \u81ea\u52a8\u4fee\u590d\u6587\u4ef6\u7cfb\u7edf\u9519\u8bef<\/span><\/p>\n

  • locale \u663e\u793a\u548c\u8bbe\u7f6e\u533a\u57df\u8bbe\u7f6e\u3002<\/li>\n

    locale # \u663e\u793a\u5f53\u524d\u533a\u57df\u8bbe\u7f6e<\/span>
    \nlocale -a<\/span> # \u663e\u793a\u6240\u6709\u53ef\u7528\u7684\u533a\u57df\u8bbe\u7f6e<\/span><\/p>\n

  • env \u663e\u793a\u73af\u5883\u53d8\u91cf\u6216\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002<\/li>\n

    env<\/span> # \u663e\u793a\u5f53\u524d\u73af\u5883\u53d8\u91cf<\/span>
    \nenv<\/span> VAR<\/span>=<\/span>value command<\/span> # \u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u5e76\u8fd0\u884c\u547d\u4ee4<\/span><\/p>\n

  • alias \u521b\u5efa\u547d\u4ee4\u522b\u540d\u3002<\/li>\n

    alias<\/span> ll<\/span>=<\/span>'ls -la'<\/span> # \u521b\u5efa\u522b\u540d<\/span>
    \nunalias<\/span> ll # \u5220\u9664\u522b\u540d<\/span><\/p>\n

  • history \u663e\u793a\u547d\u4ee4\u5386\u53f2\u8bb0\u5f55\u3002<\/li>\n

    history<\/span> # \u663e\u793a\u547d\u4ee4\u5386\u53f2<\/span>
    \nhistory<\/span> |<\/span> grep<\/span> 'command'<\/span> # \u67e5\u627e\u5386\u53f2\u8bb0\u5f55\u4e2d\u7684\u547d\u4ee4<\/span><\/p>\n

  • cron \u8ba1\u5212\u4efb\u52a1\u6267\u884c\u3002<\/li>\n

    crontab<\/span> -e<\/span> # \u7f16\u8f91\u5f53\u524d\u7528\u6237\u7684\u8ba1\u5212\u4efb\u52a1<\/span>
    \ncrontab<\/span> -l<\/span> # \u5217\u51fa\u5f53\u524d\u7528\u6237\u7684\u8ba1\u5212\u4efb\u52a1<\/span><\/p>\n

  • watch \u5b9a\u671f\u6267\u884c\u547d\u4ee4\u5e76\u663e\u793a\u8f93\u51fa\u3002<\/li>\n

    watch<\/span> -n<\/span> 5<\/span> 'df -h'<\/span> # \u6bcf5\u79d2\u6267\u884c\u4e00\u6b21 df -h \u5e76\u663e\u793a\u7ed3\u679c<\/span><\/p>\n

  • cut \u4ece\u6587\u672c\u4e2d\u63d0\u53d6\u5b57\u6bb5\u3002<\/li>\n

    cut<\/span> -d":"<\/span> -f1<\/span> \/etc\/passwd # \u4ee5":"\u5206\u9694\u7b26\u63d0\u53d6\u7b2c\u4e00\u5b57\u6bb5<\/span>
    \ncut<\/span> -c1-10 file.txt # \u63d0\u53d6\u6bcf\u884c\u7684\u524d10\u4e2a\u5b57\u7b26<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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