Which file contains user passwords in a hashed format?
a) /etc/passwd
b) /etc/shadow
c) /etc/security
d) /etc/secure
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What is the command to change the owner of a file?
a) chown
b) chmod
c) chgrp
d) chattr
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Which command is used to set user quotas?
a) setquota
b) quotaon
c) edquota
d) repquota
Package Management
--------------------------------------------
Which command is used to install a package in Debian-based systems?
a) rpm
b) apt-get install
c) yum install
d) zypper install
--------------------------------------------------
Which command is used to remove a package in Red Hat-based systems?
a) apt-get remove
b) yum remove
c) rpm -e
d) zypper remove
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What is the command to update the package list in Ubuntu?
a) apt-get upgrade
b) apt-get update
c) apt-get install
d) apt-get list
----------------------------------------------------
Which command is used to list installed packages in a Debian-based system?
a) dpkg --list
b) rpm -qa
c) yum list installed
d) zypper list installed
---------------------------------------------------------
What is the command to install a package using rpm?
a) rpm -ivh package.rpm
b) rpm -e package.rpm
c) rpm -Uvh package.rpm
d) rpm -q package.rpm
User and Group Management
-----------------------------------------------------------
Which command is used to add a new user?
a) adduser
b) useradd
c) newuser
d) createuser
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Which command is used to delete a user?
a) userdel
b) deluser
c) removeuser
d) rmuser
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Which command is used to modify a user account?
a) usermod
b) modifyuser
c) chuser
d) changeuser
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Which file contains user account information?
a) /etc/passwd
b) /etc/shadow
c) /etc/group
d) /etc/users
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Which command is used to create a new group?
a) groupadd
b) addgroup
c) newgroup
d) creategroup
Filesystem Hierarchy and Management
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Which directory contains configuration files?
a) /etc
b) /var
c) /usr
d) /home
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Which directory contains user home directories?
a) /usr
b) /var
c) /home
d) /root
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Which command is used to mount a filesystem?
a) mount
b) umount
c) fsck
d) mkfs
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Which command is used to check and repair a filesystem?
a) fsck
b) checkfs
c) repairfs
d) chkdsk
----------------------------------------------------------------------------------------
Which file contains the list of filesystems to be mounted at boot time?
a) /etc/fstab
b) /etc/mtab
c) /etc/filesystems
d) /etc/mount
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Which command is used to create a new filesystem?
a) mkfs
b) newfs
c) createfs
d) format
--------------------------------------------------------------------------------
Which directory contains log files?
a) /log
b) /var/log
c) /usr/log
d) /home/log
-------------------------------------------------
Which command is used to view the disk usage of a directory?
a) du
b) df
c) ls -lh
d) size
---------------------------------------------------------------
What does the ln command do?
a) Lists files in a directory
b) Links files
c) Lists network interfaces
d) Lists processes
Which directory is the root of the filesystem hierarchy?
a) /
b) /root
c) /home
d) /usr