linux common commands:
echo: output value after the end of the string or variable extraction
Date and time or set the system to: date
reboot: reboot
poweroff: Shutdown
wget: Download
ps: view the process status in the system (common parameters -aux)
top: information dynamically monitor active processes and system load
pidof: View service pid
kill: terminates pid
killall: All pid corresponding termination of service
ifconfig: obtaining card information
uname: View system kernel and system version and other information
View the system load: uptime
free: display current system usage information memory
who: Login to view information about the current host of user terminals
last: Log in to view all records system
history: Displays the history of commands have been executed
pwd: Display the current path
cd: Change directory
ls: Display directory information (common parameter -a -l, etc.)
cat: View text
more: View text
head: View the first N lines of plain text documents
tail: View the N-line plain text documents or continue to refresh the content
tr: used to replace characters in a text file
wc: count the number of lines for the specified text, words, bytes
stat: specific store information and time to review documents and other information
cut: for by "column" extract text characters
diff: diff for multiple text files
...slightly...
NOTE: Linux is also a lot of common commands, coupled with different parameters even more, when used with a search should be good, be good at using the system comes with documentation (English is a problem)
