SAGARFIVE

Linux – System Administration Commands

1 uptime Shows how long system is on and running
2 users Shows users – current logged in
3 free -m/g shows storage details in m:mb , g:gb
4 last Last users activity
5 history Command history
6 ping Checking the ping
7 ifconfig Network information
traceroute <domain> Tracing the domain server path
9 nslookup  Finding the server ip
10  wget To download via link
11 ps List the process of current user
12 top Processor activity of entire system including root activities
13 last Last user activity
14 kill To kill the process
15 jobs To see running jobs , ex : starting sleep job : sleep 1000 & , & id run in bg