Bash Assignment

logs/backup.log

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+=== Backup ===
+This directory does not exist
+=== Backup ===
+This directory does not exist
+=== Backup ===
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+This directory does not exist
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+Backup file successfully created
+Older backup cleaned
+=== Backup ===
+Backup file successfully created
+Older backup cleaned

logs/file_manager.log

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+ file.text successfully created
+File successfully renamed to newFile.txt
+ file2.txt successfully created
+file2.txt
+logs
+newFile.txt
+README.md
+scripts
+file2.txt successfully deleted

logs/system_report_01-04-2026.log

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+Disk Usage
+Filesystem      Size  Used Avail Use% Mounted on
+tmpfs           1.6G  2.3M  1.6G   1% /run
+/dev/sda2       480G   43G  413G  10% /
+tmpfs           7.7G   60M  7.7G   1% /dev/shm
+tmpfs           5.0M  8.0K  5.0M   1% /run/lock
+efivarfs        384K   79K  301K  21% /sys/firmware/efi/efivars
+/dev/sda1       1.1G  6.2M  1.1G   1% /boot/efi
+tmpfs           1.6G  2.6M  1.6G   1% /run/user/1000
+Memory Usage
+               total        used        free      shared  buff/cache   available
+Mem:           15699        8177        1152        1366        6510        7522
+Swap:           4095         407        3688
+CPU Load
+ 16:40:27 up 3 days,  2:28,  1 user,  load average: 0.94, 0.89, 0.82
+Total running processes
+346
+Top 5 memory-consuming processes
+Disk Usage
+Filesystem      Size  Used Avail Use% Mounted on
+tmpfs           1.6G  2.3M  1.6G   1% /run
+/dev/sda2       480G   43G  413G  10% /
+tmpfs           7.7G   59M  7.7G   1% /dev/shm
+tmpfs           5.0M  8.0K  5.0M   1% /run/lock
+efivarfs        384K   79K  301K  21% /sys/firmware/efi/efivars
+/dev/sda1       1.1G  6.2M  1.1G   1% /boot/efi
+tmpfs           1.6G  2.6M  1.6G   1% /run/user/1000
+Memory Usage
+               total        used        free      shared  buff/cache   available
+Mem:           15699        8211        1110        1400        6544        7488
+Swap:           4095         407        3688
+CPU Load
+ 16:42:50 up 3 days,  2:30,  1 user,  load average: 0.66, 0.74, 0.77
+Total running processes
+349
+Top 5 memory-consuming processes
+Disk Usage
+Filesystem      Size  Used Avail Use% Mounted on
+tmpfs           1.6G  2.3M  1.6G   1% /run
+/dev/sda2       480G   43G  413G  10% /
+tmpfs           7.7G   59M  7.7G   1% /dev/shm
+tmpfs           5.0M  8.0K  5.0M   1% /run/lock
+efivarfs        384K   79K  301K  21% /sys/firmware/efi/efivars
+/dev/sda1       1.1G  6.2M  1.1G   1% /boot/efi
+tmpfs           1.6G  2.6M  1.6G   1% /run/user/1000
+Memory Usage
+               total        used        free      shared  buff/cache   available
+Mem:           15699        8116        1209        1343        6488        7583
+Swap:           4095         407        3688
+CPU Load
+ 16:45:56 up 3 days,  2:33,  1 user,  load average: 0.93, 0.73, 0.75
+Total running processes
+350
+Top 5 memory-consuming processes
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+herolab     6928  5.8  5.2 12906180 843768 ?     Sl   Mar30 227:52 /snap/firefox/6565/usr/lib/firefox/firefox
+herolab    10643  0.8  3.5 3025732 568984 ?      Sl   Mar30  30:52 /snap/firefox/6565/usr/lib/firefox/firefox -contentproc -isForBrowser -prefsHandle 0:42809 -prefMapHandle 1:271886 -jsInitHandle 2:242012 -parentBuildID 20250718161710 -sandboxReporter 3 -chrootClient 4 -ipcHandle 5 -initialChannelId {cd1da6e4-c04e-4188-a34e-fa8336a331a9} -parentPid 6928 -crashReporter 6 -crashHelperPid 7007 -greomni /snap/firefox/6565/usr/lib/firefox/omni.ja -appomni /snap/firefox/6565/usr/lib/firefox/browser/omni.ja -appDir /snap/firefox/6565/usr/lib/firefox/browser 40 tab
+herolab     8084  0.5  3.1 7660672 506592 ?      Sl   Mar30  21:59 /snap/firefox/6565/usr/lib/firefox/firefox -contentproc -isForBrowser -prefsHandle 0:42458 -prefMapHandle 1:271886 -jsInitHandle 2:242012 -parentBuildID 20250718161710 -sandboxReporter 3 -chrootClient 4 -ipcHandle 5 -initialChannelId {d567320f-e6a3-45e3-b719-55003f28d274} -parentPid 6928 -crashReporter 6 -crashHelperPid 7007 -greomni /snap/firefox/6565/usr/lib/firefox/omni.ja -appomni /snap/firefox/6565/usr/lib/firefox/browser/omni.ja -appDir /snap/firefox/6565/usr/lib/firefox/browser 12 tab
+herolab     7742  0.7  2.9 11406048 474664 ?     Sl   Mar30  30:16 /snap/firefox/6565/usr/lib/firefox/firefox -contentproc -isForBrowser -prefsHandle 0:42458 -prefMapHandle 1:271886 -jsInitHandle 2:242012 -parentBuildID 20250718161710 -sandboxReporter 3 -chrootClient 4 -ipcHandle 5 -initialChannelId {05f6872d-4ffb-4cb0-991b-f41fd573bbcd} -parentPid 6928 -crashReporter 6 -crashHelperPid 7007 -greomni /snap/firefox/6565/usr/lib/firefox/omni.ja -appomni /snap/firefox/6565/usr/lib/firefox/browser/omni.ja -appDir /snap/firefox/6565/usr/lib/firefox/browser 7 tab
+herolab    88720  0.3  2.6 1461317556 433008 ?   Sl   03:50   2:37 /proc/self/exe --type=utility --utility-sub-type=node.mojom.NodeService --lang=en-US --service-sandbox-type=none --render-node-override=/dev/dri/renderD128 --dns-result-order=ipv4first --experimental-network-inspection --inspect-port=0 --js-flags=--nodecommit_pooled_pages --crashpad-handler-pid=88627 --enable-crash-reporter=116112e8-efe5-4b9f-accd-bebc642d68d8,no_channel --user-data-dir=/home/herolab/.config/Code --standard-schemes=vscode-webview,vscode-file --enable-sandbox --secure-schemes=vscode-webview,vscode-file --cors-schemes=vscode-webview,vscode-file --fetch-schemes=vscode-webview,vscode-file --service-worker-schemes=vscode-webview --code-cache-schemes=vscode-webview,vscode-file --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,13358235925427173423,3662479183552217790,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,EarlyEstablishGpuChannel,EstablishGpuChannelAsync --disable-features=CalculateNativeWinOcclusion,LocalNetworkAccessChecks,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --trace-process-track-uuid=3190708991934122588

logs/user_info.log

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+My name is Steven Ericson and I am from Cameroon.
+Age is 30. This is an adult.
+My name is Vera Stella and I am from Cameroon.
+Age is 10. This is a minor.
+My name is Adam Black and I am from USA.
+Age is 70. This is a senior.

scripts/backup.sh

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+#!/bin/bash
+
+backup_folder="backup"
+log_folder="logs"
+log_file="$log_folder/backup.log"
+
+# create log and backup folder if it does not exist
+cd ..
+mkdir -p "$log_folder"
+mkdir -p "$backup_folder"
+
+echo "=== Backup ===" | tee -a "$log_file"
+
+source_folder=$1
+
+# directory validation and creating a compressed backup
+if [[ ! -d "$source_folder"  ]]; then
+   echo "This directory does not exist" | tee -a "$log_file"
+   exit 1
+fi
+
+timestamp=$(date +"%Y%m%d_%H$M%S")
+backup_file="$backup_folder/backup_$timestamp.tar.gz"
+
+# create compressed backup
+tar -cf "$backup_file" "$source_folder"
+
+echo "Backup file successfully created" | tee -a "$log_file"
+
+# keep only last 5 backups
+ls -t $backup_folder/backup*.tar.gz | tail -n +6 | xargs -r rm
+
+echo "Older backup cleaned" | tee -a "$log_file"

scripts/file_manager.sh

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+#!/bin/bash
+
+LOG_FOLDER="logs"
+LOG_FILE="$LOG_FOLDER/file_manager.log"
+
+# create folder if it does not exist
+cd ..
+mkdir -p "$LOG_FOLDER"
+
+echo "=== File Management ===" | tee -a "$LOG_FOLDER"
+
+action=$1
+file=$2
+
+case "$action"	in
+    "create")
+         if [[ -f "$file"  ]]; then
+              echo "File already exist!" | tee -a "$LOG_FILE"
+         else
+              touch "$file"
+              echo " $file successfully created" | tee -a "$LOG_FILE"
+         fi
+    ;;
+    "delete")
+         if [[ -f "$file" ]]; then
+              rm "$file"
+              echo "$file successfully deleted" | tee -a "$LOG_FILE"
+         else
+              echo "File not found" | tee -a "$LOG_FILE"
+         fi
+    ;;
+    "list")
+         ls | tee -a "$LOG_FILE"
+    ;;
+    "rename")
+         new_file=$3
+         if [[ -f "$file"  ]]; then
+              mv "$file" "$new_file"
+              echo "File successfully renamed to $new_file" | tee -a "$LOG_FILE"
+         else
+              echo "File not found" | tee -a "$LOG_FILE"
+         fi
+    ;;
+    *)
+    echo "Usage: $0 {create|delete|list|rename} filename filename?" | tee -a "$LOG_FILE"
+    ;;
+esac

scripts/system_check.sh

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+#!/bin/bash
+
+DATE=$(date +"%d-%m-%Y")
+
+LOG_FOLDER="logs"
+LOG_FILE="$LOG_FOLDER/system_report_$DATE.log"
+
+# creates the folder if it does not exist
+cd ..
+mkdir -p "$LOG_FOLDER"
+
+# disk usage
+echo "Disk Usage" | tee -a "$LOG_FILE"
+df -h | tee -a "$LOG_FILE"
+
+# memory usage
+echo "Memory Usage" | tee -a "$LOG_FILE"
+free -m | tee -a "$LOG_FILE"
+
+# CPU load
+echo "CPU Load" | tee -a "$LOG_FILE"
+uptime | tee -a "$LOG_FILE"
+
+# show warning if disk usage exceed 80%
+USAGE=$(df -h / | awk 'NR==2 {print $5}' | sed 's/%//')
+if [[ "$USAGE" -ge 80 ]]; then
+    echo "Warning: Disk usage at 80%" | tee -a "$LOG_FILE"
+fi
+
+# count total running processes
+echo "Total running processes" | tee -a "$LOG_FILE"
+ps aux | wc -l | tee -a  "$LOG_FILE"
+
+# display top 5 memory-consuming processes
+echo "Top 5 memory-consuming processes" | tee -a "$LOG_FILE"
+ps aux --sort='-%mem' | head -n 6 | tee -a "$LOG_FILE"

scripts/user_info.sh

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+#!/bin/bash
+
+LOG_FOLDER="logs"
+LOG_FILE="$LOG_FOLDER/user_info.log"
+
+# ensure the log directory exist
+cd ..
+mkdir -p "$LOG_FOLDER"
+
+read -p "Enter name: " name
+read -p "Enter age: " age
+read -p "Enter country: " country
+
+echo "My name is $name and I am from $country." | tee -a "$LOG_FILE"
+
+{
+   if [[ $age -gt 0 ]]; then
+      if [[ $age -lt 18 ]]; then
+         echo "Age is $age. This is a minor."
+      elif [[ $age -ge 18 && $age -le 65 ]]; then
+         echo "Age is $age. This is an adult."
+      else
+         echo "Age is $age. This is a senior."
+      fi
+   else
+      echo "Age not valid."
+   fi
+} | tee -a "$LOG_FILE"