Advanced Linux Commands

ln -s Source Targets Establish Symbolic Links History 5 Display the 5 most recently used commands! 5 Execute the history number 5 command date MMDDHHMMCCYY.SS [Month, Month, Day, Minute, Year, Year, Year, Second, Second] Cal 4 2015 View calendar for April 2015 netstat -anp View network status kill -9 pid Force kill process traceroute www.521java.com Track route route [Show routing table, show routers compared to yourself]chsh -s /Bin/bash changes the current user's shell [must be logged off and re-login to take effect]alias vb='cat linux common operations' for the command name alias unalias vb delete alias rpm -qa query all installed rpm packages rpm -q Qq Check if qqrpm -i rpm full path name installation package is installed to the current system rpm -e rpm package name uninstall rpm package [if there is dependency, add --nodeps] env display current operating system environment variable ifconfig View ip configuration select -editor Select editor crontab -e Set task [minute hour date calendar day calendar] crontab -l List user's location Task crontab -r Delete user's task ps -aux View system process [a-represents all u-represents user x-represents background] top dynamically displays the user's process state [if u, then enter the username, dynamically display this user's Process]zip aa.zip File name Compress a file zip aa.zip File name 1 File name 2 Compress multiple files zip aa.zip File name Compress entire folder unzip File name Extract file