cd ..
cd -
cd ~
ls --color
ls -l home
help
ls --help
cd --help
man
man ls | col -b > lshelp.txt
which
shutdown -h now
poweroff
shutdown -r now
reboot
halt
ssh user@host
scp user@host:file1 file2
scp file1 user@host:file2
sftp user@host
ssh-keygen -t rsa
scp ~/.ssh/id_rsa.pub root@server:/tmp/
mkdir -p /home/lisi/.ssh/
cat /tmp/id_rsa.pub >> /home/lisi/.ssh/authorized_keys
tail -1 /home/lisi/.ssh/authorized_keys
ssh lisi@192.168.4.254
ssh-copy-id -i ~/.ssh/id_rsa.pub lisi@192.168.4.254
shutdown -h now
poweroff
shutdown -r now
reboot
shutdown -r +15 'The system will be rebooted!'
tar -zcvf test.tar.gz test
tar -zxvf test.tar.gz
tar -jcvf temp.tar.bz2 temp
tar -jxvf temp.tar.bz2
systemctl stop firewalld
setenforce 0
ifconfig
ifconfig eth0
hostname
hostname zhangsan
route -n
netstat -antp
netstat -antp | grep :21
ping 192.168.4.110
traceroute 192.168.7.7
nslookup www.google.com
ls /etc/sysconfig/network-scripts/ifcfg*
vim /etc/sysconfig/network-scripts/ifcfg-eth0
service network restart
ifdown eth0
ifup eth0
vi /etc/sysconfig/network
vi /etc/resolv.conf
cat /etc/hosts
fdisk -l
fdisk /dev/sdb
ls /sbin/mkfd*
mkfs -t ext4 /dev/sdb1
mkswap /dev/sdb5
cat /proc/meminfo | grep "SwapTotal"
swapon /dev/sdb5
swapoff /dev/sdb5
mount
mount /dev/sdb1 /mnt1
mount -t ext4 /dev/sdb2 /mnt2
umount /dev/sdb1
umount /mnt2
mkdir /media/cdrom
mount -t iso9660 /dev/cdrom /media/cdrom
mount
mkdir /media/fedora
mount -o loop F10-i686-Live.iso /media/fedora
ls /media/fedora
umount /dev/cdrom
umount mailbox
vi /etc/fstab
df -hT
md5sum axel-1.0a.tar.gz
gcc --version
g++ --version
tar -zxf httpd-2.2.15.tar.gz -C /usr/src/
cd /usr/src/httpd-2.2.15/
./configure --prefix=/usr/local/apache
make
make install
make clean
vim /usr/local/apache/conf/httpd.conf
rpm -q bash
rpm -qa | grep bash
rpm -qf /usr/bin/vim
rpm -ql dhcp
rpm -qpi ethtool-6-4.el5.i386.rpm
rpm -qpl ethtool-6-4.el5.i386.rpm
rpm -ivh /media/cdrom/Server/lynx-2.8.5-28.1.el5_2.1.i386.rpm
rpm -q lynx
rpm -e lynx
rpm --rebuilddb
rpm --initdb
rpm --import /media/cdrom/RPM-GPG-KEY-redhat-release
rpm -e --nodeps vim-enhanced
rpm --force httpd
vi /etc/yum.repos.d/rhel6.repo
vi /etc/yum.repos.d/local.repo
yum clean all
yum list
yum list httpd vsftpd
yum info
yum info vsftpd
yum search "httpd"
yum grouplist "Desktop"
yum groupinfo "X Window System"
yum -y install bind bind-chroot
yum -y groupinstall "Development tools"
yum -y update
yum -y groupinstall "Desktop"
yum -y remove bind
yum -y groupremove "Development tools"
yum -y groupremove "Desktop" "X Window System"