????ls??????Linux???б??????????????????????ls????????????????Linux???????????????????????????????????????????????ls??????????????????????????ò??????п???????????У?????????????Щ??????ls?????????????????й??????????
????1. ?????κ?????г????
????????????ls?????????????г??????????????????????????????????С??????????????????????????????????????
????# ls
????0001.pcap        Desktop    Downloads         index.html   install.log.syslog  Pictures  Templates
????anaconda-ks.cfg  Documents  fbcmd_update.php  install.log  Music               Public    Videos
????2.?? –l ????г?????б?
????????ls -l??-l?????????“1”??????????????????????????С????????????????????????????????????????????????
# ls -l
total 176
-rw-r--r--. 1 root root   683 Aug 19 09:59 0001.pcap
-rw-------. 1 root root  1586 Jul 31 02:17 anaconda-ks.cfg
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Desktop
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Documents
drwxr-xr-x. 4 root root  4096 Aug 16 02:55 Downloads
-rw-r--r--. 1 root root 21262 Aug 12 12:42 fbcmd_update.php
-rw-r--r--. 1 root root 46701 Jul 31 09:58 index.html
-rw-r--r--. 1 root root 48867 Jul 31 02:17 install.log
-rw-r--r--. 1 root root 11439 Jul 31 02:13 install.log.syslog
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Music
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Pictures
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Public
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Templates
drwxr-xr-x. 2 root root  4096 Jul 31 02:48 Videos
????3. ??????????
?????г??????????????‘.’??????????????
????# ls -a
????.                .bashrc  Documents         .gconfd          install.log         .nautilus     .pulse-cookie
????..               .cache   Downloads         .gnome2          install.log.syslog  .netstat.swp  .recently-used.xbel
????0001.pcap        .config  .elinks           .gnome2_private  .kde                .opera        .spice-vdagent
????anaconda-ks.cfg  .cshrc   .esd_auth         .gtk-bookmarks   .libreoffice        Pictures      .tcshrc
????.bash_history    .dbus    .fbcmd            .gvfs            .local              .pki          Templates
????.bash_logout     Desktop  fbcmd_update.php  .ICEauthority    .mozilla            Public        Videos
????.bash_profile    .digrc   .gconf            index.html       Music               .pulse        .wireshark
????4. ?? -lh ??????????????г????
??????-lh?????????????????????С??
# ls -lh
total 176K
-rw-r--r--. 1 root root  683 Aug 19 09:59 0001.pcap
-rw-------. 1 root root 1.6K Jul 31 02:17 anaconda-ks.cfg
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Desktop
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Documents
drwxr-xr-x. 4 root root 4.0K Aug 16 02:55 Downloads
-rw-r--r--. 1 root root  21K Aug 12 12:42 fbcmd_update.php
-rw-r--r--. 1 root root  46K Jul 31 09:58 index.html
-rw-r--r--. 1 root root  48K Jul 31 02:17 install.log
-rw-r--r--. 1 root root  12K Jul 31 02:13 install.log.syslog
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Music
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Pictures
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Public
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Templates
drwxr-xr-x. 2 root root 4.0K Jul 31 02:48 Videos