Thursday, June 19, 2014

Basic linux commands interview questions

Basic linux commands interview questions

Depends on the environment you work. Some examples are

mkdir — For creating folders( use -p option to create multiple folders at a time)


ls –List folders/files( check what ls -1 do)

 

top — To monitor system activities

 

lsof –To check whats happening on the server and which process open which file.

 

netstat -tcp –Gives you complete picture about network connection details.

 

vnstat –Gives you Network band width statics

 

sh –For running shell scripts

 

history –For monitoring the commands executed by users

 

cd –For changing directories

 

vi --For editing configuration files.

 

chmod –To change permissions of folders and files.

 

mount –For mounting formated partitions.

 

service –For start/restart/stop a service.

 

chkconfig –For permanent on/off a service.

 

fdisk -l –To list all the partitions

 

free -m - Displays free space

 

 

 

 

 

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