c |
cat | View the contents of a file |
cd | Move the directory |
chgrp | Change the group to which files and directories belong. |
chkconfig
| Control service registration, deletion, and service startup. |
chmod | Change permissions on files and directories |
chown | Change the owner of a file or directory |
cp | Copying files and directories |
d |
date | View, set, and change the current date and time. |
df | Aggregate and display the size of free disk space. |
dmesg
| Display system messages at startup |
dstat | Real-time monitoring of server resources |
du | Check and display usage by directory. |
f |
free | Checking the memory status of Linux |
g |
groupadd | Add a group |
i |
ifconfg
| Check the operation status of the network interface. |
l |
last | Display the history of logins to the system. |
logout
| Logging out |
ls | Display a list of files in a directory |
m |
mkdir | Create a directory |
mv | Move or rename a file |
n |
netstat | Display the current network information |
ntpdate
| Set the server time. |
p |
passwd | Change your password |
ping | Check for communication with hosts on the network. |
ps | View and check the status of processes in a list |
pstree | Display the process in a tree view |
pwd | Display the current directory |
r |
rm | Delete a file or directory |
rpm
| Managing RPM package |
s |
sed | Convert characters |
shutdown | Shut down and reboot the system. |
source
| Reflect the shell configuration file. |
su | Switch to another user |
t |
tail | Display the contents of a file only at the end. |
tar | Create/Restore Archives |
tcpdump | Capture packets |
top | View running processes in real time. |
u |
useradd | Add a user |
v |
vmstat | Display the load rate and usage status of memory and CPU. |
w |
w | Show user information while logged in |
wget
| Download files by specifying URL |
who | Find out which users are logged in. |