RHEL 6.3 ,CentOS 6.3 ,Scientific Linux 6.3 Advanced Linux Command

Advanced Command

Command	Description
[root@server1 /]# ls [root@server1 ~]# ls anaconda-ks.cfg  Documents  file1  install.log.syslog  Pictures  TemplatesDesktop  Downloads  install.log  Music      Public    Videos	Show list of directory
[root@server1 ~]# ls –a [root@server1 ~]# su user1 [user1@server1 root]$ cd [user1@server1 ~]$ ls -a .  ..  .bash_history  .bash_logout  .bash_profile  .bashrc  .gnome2  .mozilla  .viminfo	Show hidden content of a directory
[user1@server1 ~]$ su root Password: [root@server1 user1]# cd [root@server1 ~]# ls -l total 104 -rw-------. 1 root root  2467 Dec 15 20:25 anaconda-ks.cfg drwxr-xr-x. 2 root root  4096 Dec 18 02:04 Desktop drwxr-xr-x. 2 root root  4096 Dec 16 00:34 Documents drwxr-xr-x. 2 root root  4096 Dec 16 00:34 Downloads	Show Content list with Permission
[root@server1 ~]# ls -lh total 104K -rw-------. 1 root root 2.5K Dec 15 20:25 anaconda-ks.cfg drwxr-xr-x. 2 root root 4.0K Dec 18 02:04 Desktop drwxr-xr-x. 2 root root 4.0K Dec 16 00:34 Documents drwxr-xr-x. 2 root root 4.0K Dec 16 00:34 Downloads	Show content total & Individual  Content size.
[root@server1 ~]# ls -lt total 148 -rw-r--r--  1 root root 46974 Dec 18 04:02 install.log	List by Modification
[root@server1 ~]# ls install.log         Music     Public     Videos anaconda-ks.cfg  Documents  file1      install.log.syslog  Pictures  Templates [root@server1 ~]# more install.log	Show content with list Then press Enter
[root@server1 ~]# clear	Clear Screen
[root@server1 ~]# tree	Content show with tree diagram
[root@server1 ~]# rmdir [root@server1 ~]# mkdir 1 [root@server1 ~]# rmdir 1	Remove Emtpy directory
[root@server1 ~]# hwclock Tue 18 Dec 2012 04:20:34 AM BDT  -0.924766 seconds	Show DATE & TIME
[root@server1 ~]# history 10	Show content history
[root@server1 ~]# mail	mail from /var/spool/mail
[root@server1 ~]# locate resolv.conf /etc/resolv.conf /etc/sysconfig/networking/profiles/default/resolv.conf /usr/share/man/man5/resolv.conf.5.gz	Search file or service from full system Last update #updatedb