LPI 101-500

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1.- Which configuration file defines GRUB 2 menu entries?

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2.- Which command regenerates the GRUB 2 configuration file?

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3.- What is the function of /etc/default/grub?

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4.- Which command installs the GRUB 2 boot loader to a device?

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5.- What is the role of the initrd or initramfs image?

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6.- Where is the MBR located on a disk?

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7.- What does the BIOS do before loading GRUB?

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8.- How do you add a custom GRUB 2 menu entry?

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9.- What command updates the bootloader configuration on Debian systems?

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10.- Which GRUB 2 command line option lets you edit boot parameters temporarily?

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11.- In GRUB 2, what does the set root=(hd0,1) command do?

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12.- Which file lists all kernels installed on a Debian system?

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13.- What does the GRUB command linux /vmlinuz do?

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14.- How can you restore GRUB 2 if it becomes corrupted?

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15.- Which GRUB 2 command boots the system after manual setup?

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16.- What is the default timeout variable in /etc/default/grub?

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17.- Which command in GRUB’s shell lists available partitions?

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18.- What GRUB 2 feature allows password protection of menu entries?

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19.- Which directory contains GRUB 2 module files (*.mod)?

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20.- What command shows the current runlevel?

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21.- In systemd, which command lists available targets?

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22.- Which GRUB 2 directive sets the default boot entry?

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23.- In GRUB, what does initrd /initrd.img specify?

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24.- What command lists the libraries required by a binary?

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25.- Where are 64-bit libraries typically stored?

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26.- What does the /etc/ld.so.conf file specify?

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27,. Which command updates the library cache after installing a new library?

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28.- What is the default library cache file used by the dynamic linker?

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29.- Which environment variable defines additional library search paths?

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30.- Which file lists all directories known to ldconfig?

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31.- What does the linker use to find shared libraries?

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32.- How do you display the SONAME of a shared library?

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33.- What is the purpose of symbolic links like libc.so.6 → libc-2.31.so?

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34.- What command finds out which libraries are currently loaded by a running process?

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35.- Which file controls global dynamic linker options?

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36.- What does the program loader /lib64/ld-linux-x86-64.so.2 do?

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37.- Which tool can you use to inspect dependencies of a shared library?

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38.- What file extension identifies shared libraries on Linux?

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39.- What is the role of static libraries?

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40.- Which option links a program statically using gcc?

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41.- What command lists all shared libraries currently cached?

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42.- How can you temporarily preload a library when running a program?

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43.- What is the effect of removing /etc/ld.so.cache?

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44.- What is contained in /lib directory?

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45.- Which command displays the dynamic section of an ELF executable?

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46.- The .a library files are used for:

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47.- What is a key advantage of dynamic linking?

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48.- What command finds which executable would be run by default?

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49.- How can you determine whether a binary is statically or dynamically linked?

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50.- What environment variable overrides the default dynamic linker?

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51.- Which command installs a .deb package directly?

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52.- Which command lists all installed packages on a Debian system?

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53.- Which command removes a package but leaves configuration files?

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54.- What is the function of dpkg -P?

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55.- Which command shows the files installed by a package?

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56.- Which file lists local APT repositories?

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57.- What command updates the local APT package list?

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58.- Which command upgrades all installed packages?

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59.- Which command installs a package and dependencies?

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60.- What does the apt autoremove command do?