Important Acronyms

Question 1

Is
cd
pwd
mkdir
rm

Answer 1

ls: Lists files and directories.
cd: Changes the current directory.
pwd: Prints the current working directory.
mkdir: Creates a new directory.
rm: Removes files or directories.

Question 2

cp
mv
chmod
chown
grep

Answer 2

cp: Copies files or directories.
mv: Moves or renames files or directories.
chmod: Changes file permissions.
chown: Changes file ownership.
grep: Searches text using patterns.

Question 3

find
tar
ssh
scp
ps

Answer 3

find: Searches for files in a directory hierarchy.
tar: Archives files.
ssh: Securely logs into a remote system.
scp: Securely copies files between hosts.
ps: Reports snapshot of current processes.

Question 4

kill
top
iptables
netstat
ifconfig

Answer 4

kill: Terminates processes.
top: Displays tasks and system status.
iptables: Sets up, maintains, and inspects IP packet filter rules.
netstat: Displays network connections, routing tables, interface statistics.
ifconfig: Configures network interfaces.