What is the shortes way to understand kernel version?!
$ uname -r
$ uname -a
$ cat /proc/version
$ dmesg | grep "Linux version"
How you determine the default route of a linux system?
$ ifcoinfig -a
$ ip ro sh
$ route -n
$ netstat -r -n
How you determine free system memory spaces in shortest way?
$ free -m
$ cat /proc/meminfo
$ vmstat -s
$ top
What is the common standard Bootloader on most of Linux Distrubution?
(G)grub
(L)lilo
EFI
(M)msloader
Which kind of the following model Linux's kernel is?
Hybrid
Micro kernel
Monolothic
None of above
How you determine the full path of a Command within termnial?
$ which $(comman)
$ echo $PATH
$ whatis $(command)
$ ls -alhrtF /usr/bin
Which commandline tool helps you to open a socket port on the fly?
$ nc $port
$ netstatl -tl
$ python3 -m http.server $port
$ telnet $port
what is the shortest way to remove an empty Directory?
$ rm -f $directory_name
$ rmdir $directory_name
$ rm -rf /
delete $directory