Linux学习(一)

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  1. ls[选项][文件或目录]
    选项:
-a 显示所有文件,包括隐藏文件-l 显示详细信息-d 查看目录属性-h 人性化显示文件大小,以1024为单位自动显示KB,MB,GB,TB-i 显示inode
[root@iz2ze1hfsw4ztunoybeosxz /]# lsbin   dev  home  lib64       media  opt   root  sbin  sys  usrboot  etc  lib   lost+found  mnt    proc  run   srv   tmp  var[root@iz2ze1hfsw4ztunoybeosxz /]# ls -a.   .autorelabel  boot  etc   lib    lost+found  mnt  proc  run   srv  tmp  var ..  bin dev   home  lib64  media  opt  root  sbin  sys  usr[root@iz2ze1hfsw4ztunoybeosxz /]# ls -l总用量 60lrwxrwxrwx   1 root root     7 724 13:30 bin -> usr/bindr-xr-xr-x.  4 root root  4096 724 13:34 bootdrwxr-xr-x  20 root root  3020 115 2016 devdrwxr-xr-x. 83 root root  4096 724 13:32 etcdrwxr-xr-x.  2 root root  4096 115 2016 homelrwxrwxrwx   1 root root     7 724 13:30 lib -> usr/liblrwxrwxrwx   1 root root     9 724 13:30 lib64 -> usr/lib64drwx------.  2 root root 16384 224 10:58 lost+founddrwxr-xr-x.  2 root root  4096 115 2016 mediadrwxr-xr-x.  2 root root  4096 115 2016 mntdrwxr-xr-x.  2 root root  4096 115 2016 optdr-xr-xr-x  73 root root     0 115 2016 procdr-xr-x---.  6 root root  4096 724 18:00 rootdrwxr-xr-x  23 root root   640 724 13:34 runlrwxrwxrwx   1 root root     8 724 13:30 sbin -> usr/sbindrwxr-xr-x.  2 root root  4096 115 2016 srvdr-xr-xr-x  13 root root     0 115 2016 sysdrwxrwxrwt.  8 root root  4096 725 03:32 tmpdrwxr-xr-x. 13 root root  4096 724 13:30 usrdrwxr-xr-x. 19 root root  4096 724 13:30 var[root@iz2ze1hfsw4ztunoybeosxz /]# ls -lh总用量 60Klrwxrwxrwx   1 root root    7 724 13:30 bin -> usr/bindr-xr-xr-x.  4 root root 4.0K 724 13:34 bootdrwxr-xr-x  20 root root 3.0K 115 2016 devdrwxr-xr-x. 83 root root 4.0K 724 13:32 etcdrwxr-xr-x.  2 root root 4.0K 115 2016 homelrwxrwxrwx   1 root root    7 724 13:30 lib -> usr/liblrwxrwxrwx   1 root root    9 724 13:30 lib64 -> usr/lib64drwx------.  2 root root  16K 224 10:58 lost+founddrwxr-xr-x.  2 root root 4.0K 115 2016 mediadrwxr-xr-x.  2 root root 4.0K 115 2016 mntdrwxr-xr-x.  2 root root 4.0K 115 2016 optdr-xr-xr-x  73 root root    0 115 2016 procdr-xr-x---.  6 root root 4.0K 724 18:00 rootdrwxr-xr-x  23 root root  640 724 13:34 runlrwxrwxrwx   1 root root    8 724 13:30 sbin -> usr/sbindrwxr-xr-x.  2 root root 4.0K 115 2016 srvdr-xr-xr-x  13 root root    0 115 2016 sysdrwxrwxrwt.  8 root root 4.0K 725 03:32 tmpdrwxr-xr-x. 13 root root 4.0K 724 13:30 usrdrwxr-xr-x. 19 root root 4.0K 724 13:30 var[root@iz2ze1hfsw4ztunoybeosxz /]# ls -li总用量 60     14 lrwxrwxrwx   1 root root     7 724 13:30 bin -> usr/bin1851393 dr-xr-xr-x.  4 root root  4096 724 13:34 boot      3 drwxr-xr-x  20 root root  3020 115 2016 dev 540673 drwxr-xr-x. 83 root root  4096 724 13:32 etc2457601 drwxr-xr-x.  2 root root  4096 115 2016 home     17 lrwxrwxrwx   1 root root     7 724 13:30 lib -> usr/lib     13 lrwxrwxrwx   1 root root     9 724 13:30 lib64 -> usr/lib64     11 drwx------.  2 root root 16384 224 10:58 lost+found 753665 drwxr-xr-x.  2 root root  4096 115 2016 media1564673 drwxr-xr-x.  2 root root  4096 115 2016 mnt2375681 drwxr-xr-x.  2 root root  4096 115 2016 opt      1 dr-xr-xr-x  73 root root     0 115 2016 proc1556481 dr-xr-x---.  6 root root  4096 724 18:00 root   6586 drwxr-xr-x  23 root root   640 724 13:34 run     15 lrwxrwxrwx   1 root root     8 724 13:30 sbin -> usr/sbin1802241 drwxr-xr-x.  2 root root  4096 115 2016 srv      1 dr-xr-xr-x  13 root root     0 115 2016 sys 819201 drwxrwxrwt.  8 root root  4096 725 03:32 tmp1507329 drwxr-xr-x. 13 root root  4096 724 13:30 usr2015233 drwxr-xr-x. 19 root root  4096 724 13:30 var
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