Fix heading format

linux/linux-assessment.md

@@ -626,7 +626,7 @@ if [[ $FILE == $GLOB ]] ;then
 
 [reference here](https://stackoverflow.com/a/12948608)
 
-#### 76. `journald` differs from traditional logging services such as `rsyslogd` and `syslogd` because its logs are **\_** by default.
+#### Q76. `journald` differs from traditional logging services such as `rsyslogd` and `syslogd` because its logs are **\_** by default.
 
 - [ ] stored remotely
 - [ ] text
@@ -635,14 +635,14 @@ if [[ $FILE == $GLOB ]] ;then
 
 [reference here](https://sematext.com/blog/journald-logging-tutorial/#toc-journald-storage-4)
 
-### Q77. What is the purpose of a Mail Transport Agent (MTA)?
+#### Q77. What is the purpose of a Mail Transport Agent (MTA)?
 
 - [ ] It transports the mail from user's computer to the mail server.
 - [ ] It accepts mail and adds it to the mail queue for further processing.
 - [ ] It stores the mail in a mail queue waiting for the MUA to download it.
 - [x] It transports mail from one mail server to another.
 
-### Q78. What do you need to do before you can perform SSH passwordless logins?
+#### Q78. What do you need to do before you can perform SSH passwordless logins?
 
 - [x] Generate RSA or DSA key pairs using ssh-keygen.
 - [ ] Change the remote user's password.
@@ -651,7 +651,7 @@ if [[ $FILE == $GLOB ]] ;then
 
 [Reference](https://phoenixnap.com/kb/setup-passwordless-ssh)
 
-### Q79. When installing a downloaded package on the RedHat-based distribution manual using RPM, what may you have to do first?
+#### Q79. When installing a downloaded package on the RedHat-based distribution manual using RPM, what may you have to do first?
 
 - [ ] Compile the package source code.
 - [x] Download all dependencies and install them before installing the desired package.
@@ -660,7 +660,7 @@ if [[ $FILE == $GLOB ]] ;then
 
 **[Explanation:](https://access.redhat.com/discussions/2026743)** Rpm is not meant to resolve dependencies. It checks whether required software (versions) are installed and fails when software is missing and when the wrong version of software is installed.
 
-### Q80. With GNU tools such as a GNU grep, awk, and sed, what is the difference between basic regular expressions (BREs) and extended regular expressions (EREs)?
+#### Q80. With GNU tools such as a GNU grep, awk, and sed, what is the difference between basic regular expressions (BREs) and extended regular expressions (EREs)?
 
 - [ ] EREs can match the groups.
 - [ ] EREs support occurrence operators.
@@ -669,14 +669,14 @@ if [[ $FILE == $GLOB ]] ;then
 
 [Reference](https://www.gnu.org/software/sed/manual/html_node/BRE-vs-ERE.html)
 
-### Q81. What is the difference between reading the list of disk partitions from `/proc/partitions` and getting it using `fdisk -l`?
+#### Q81. What is the difference between reading the list of disk partitions from `/proc/partitions` and getting it using `fdisk -l`?
 
 - [ ] `/proc/partitions` represents the disk partition table more accurately than `fdisk -l`
 - [ ] `/proc/partitions` shows only mounted drives. `fdisk -l` shows all drivers.
 - [ ] There is no difference between the two, and both lists contain the same data.
 - [x] `/proc/partitions` is the kernel's list of partitions held in ram. `fdisk -l` reads the partition table from the drive itself.
 
-### Q82. What would be in out.txt?
+#### Q82. What would be in out.txt?
 
     cat < in.txt > out.txt
 
@@ -685,7 +685,7 @@ if [[ $FILE == $GLOB ]] ;then
 - [ ] Nothing, because you cannot redirect from a file (in.txt) to another file (out.txt). You can redirect only from a command to a file.
 - [ ] Nothing, The redirect will create a new empty file, but there will not be any output from the cat command to redirect.
 
-### Q83. Using alternation in a POSIX-extended regular expression, which numbers would this pattern match?
+#### Q83. Using alternation in a POSIX-extended regular expression, which numbers would this pattern match?
 
 ```
 ^(([0-9][0-9]?)|(2[0-9][0-9]))$
@@ -696,21 +696,21 @@ if [[ $FILE == $GLOB ]] ;then
 - [ ] 200-299
 - [ ] 0-299
 
-### Q84. Typing `systemctl enable crond` does what to the crond service?
+#### Q84. Typing `systemctl enable crond` does what to the crond service?
 
 - [ ] Starts the crond service now.
 - [ ] Allows user to start the crond service.
 - [ ] Unmasks the crond service.
 - [x] Ensures that the crond service starts automatically on bootup.
 
-### Q85. Which of these features is missing from the Bash Language?
+#### Q85. Which of these features is missing from the Bash Language?
 
 - [ ] associative arrays.
 - [ ] extened regular expressions.
 - [ ] debug traps.
 - [x] object orientation.
 
-### Q86. What is the first step to integrate extended globs into your command-line workflow?
+#### Q86. What is the first step to integrate extended globs into your command-line workflow?
 
 - [ ] Nothing, extended globs are already integrated into the shell and turned on automatically.
 - [x] Make extended globs persistent by adding `shopt -s extglob` to a shell startup file.