Unix Commands - Gain Knowledge By Spamming

[HECTOR08]

Top
CPU utilization

[SamosaChai]

last -l username

 

tells when last user logged in

[HECTOR08]

Vmstat
CPU,users ,load average

[SamosaChai]

passwd

 

to change your password

[HECTOR08]

Vi filemame
Create n edit

[HECTOR08]

Ls -altr
See hidden files

[SamosaChai]

kill PID

 

kills the process with the ID you gave

 

Kill -9 PID

 

Kills with forcefully 

 

Kill -3 PID

 

to take thread ump 

[HECTOR08]

Netstat
Port listening or not

[HECTOR08]

Lsof
Find the pid using port no

[SamosaChai]

telnet hostname

 

let you connect to a remote host and also use this command to check ACLs

[king420]

run

 

[king420]

kill 

 

[HECTOR08]

Touch filemame
Create file

[SamosaChai]

date

 

to find current date on system

[HECTOR08]

Ssh
Securely connect with remote server