101-400 LPI Level 1 Exam 101, Junior Level Linux Certification, Part 1 of 2 Questions and Answers

shutdown -R 1 now

shutdown -single now

init 1

telinit 1

runlevel 1

Device IRQ settings

PCI bus speed

System battery type

Device vendor identification

Ethernet MAC address

apt-get update

apt-get upgrade

apt-cache update

apt-get refresh

apt-cache upgrade

apt-cache depends-onpackage

apt-cache dependencies package

apt-cache depends package

apt-cache requires package

rmdir '~/\dir'

rmdir "~/\dir"

rmdir ~/'dir'

rmdir ~/\dir

rmdir ~/\\dir

The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.

The command sed did not match anything in that file therefore the output is empty.

When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens itfor reading.

Redirection for shell commands do not work using the > character. It only works using the | character instead.

2>&1 >filename

>filename 2>&1

1>&2>filename

>>filename

1&2>filename

fmt -f 1,4 /etc/passwd

split -c 1,4 /etc/passwd

cut -d : -f 1,4 /etc/passwd

paste -f 1,4 /etc/passwd

cat < myapp | cat > file1.log

myapp 0>&1 | cat > file1.log

myapp | cat > file1.log

myapp | tee file1.log

tee myapp file1.log

i (interactive) requires the user to explicitly switch between vi modes whereas a (automatic) switches modesautomatically.

i (insert) inserts text before the current cursor position whereas a (append) inserts text after the cursor.

i (independent rows) starts every new line at the first character whereas a (aligned rows) keeps the indentation of the previous line.

i (interrupt) temporarily suspends editing of a file to the background whereas a (abort) terminates editing.

gdisk

dd

cc

fdisk

mount

/lib/init.so

/sbin/init

/etc/rc.d/rcinit

/proc/sys/kernel/init

/boot/init

startd

systemd

Upstart

SysInit

SysV init

All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.

All files within /proc/ are read-only and their contents cannot be changed.

All changes to files in /proc/ are immediately recognized by the kernel.

All files within /proc/ are only readable by the root user.

/etc/keys

/proc/keys

/etc/inittab

/proc/inittab

/etc/reboot

inode

ls

ln

cp

/sbin/mke2fs -j /dev/sdb1

/sbin/mkfs -t ext3 /dev/sdb1

/sbin/mkfs -c ext3 /dev/sdb1

/sbin/mke3fs -j /dev/sdb1

The source file is hidden.

The source file is read-only.

The source file is a shell script.

The source file is already a hard link.

The source and the target are on different filesystems.

edit mode

insert mode

change mode

review mode

command mode

It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

It shows all mounted file systems that have been automatically mounted.

It opens an editor with root privileges and loads /etc/fstab for editing.

It ensuresthat all file systems listed with the option auto in /etc/fstab are mounted.

It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.

edquota

repquota

quota -e

quota

root*can?do-this.{txt,odt}

r[oOoO]t-can-do*.txt

{root,user,admin}-can-??-this.txt

root*can*do??this.txt

root***{can,may}-do-this.[tT][xX][tT]

silent

verbose=0

nomesg

quiet