feat: complete bash toolkit assigment

logs/process_monitor.log

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+Tue Apr 14 12:13:36 WAT 2026: Checked 

logs/system_report_2026-04-14.log

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+System Report - Tue Apr 14 11:54:40 WAT 2026
+Disk Usage:
+Filesystem      Size  Used Avail Use% Mounted on
+none            3.8G     0  3.8G   0% /usr/lib/modules/6.6.87.2-microsoft-standard-WSL2
+none            3.8G  4.0K  3.8G   1% /mnt/wsl
+drivers         476G  446G   31G  94% /usr/lib/wsl/drivers
+/dev/sdd       1007G  1.7G  954G   1% /
+none            3.8G   92K  3.8G   1% /mnt/wslg
+none            3.8G     0  3.8G   0% /usr/lib/wsl/lib
+rootfs          3.8G  2.7M  3.8G   1% /init
+none            3.8G  500K  3.8G   1% /run
+none            3.8G     0  3.8G   0% /run/lock
+none            3.8G     0  3.8G   0% /run/shm
+none            3.8G   76K  3.8G   1% /mnt/wslg/versions.txt
+none            3.8G   76K  3.8G   1% /mnt/wslg/doc
+C:\             476G  446G   31G  94% /mnt/c
+tmpfs           761M  8.0K  761M   1% /run/user/1000
+Memory Usage:
+               total        used        free      shared  buff/cache   available
+Mem:            7608         321        7151           3         134        7137
+Swap:           2048           0        2048
+CPU Load:
+ 11:54:41 up  3:38,  1 user,  load average: 0.00, 0.00, 0.00
+Total Processes:
+27
+Top 5 Memory Processes:
+USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
+root         258  0.0  0.2 107172 21504 ?        Ssl  08:15   0:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal
+root         202  0.0  0.2  30184 18688 ?        Ss   08:15   0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
+root          69  0.0  0.1  47736 15232 ?        S<s  08:15   0:05 /lib/systemd/systemd-journald
+systemd+     101  0.0  0.1  26204 13824 ?        Ss   08:15   0:01 /lib/systemd/systemd-resolved
+root           1  0.0  0.1 165952 10752 ?        Ss   08:15   0:10 /sbin/init

logs/user_info.log

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+Tue Apr 14 11:54:16 WAT 2026: Hello momo from nigeria. you are 16 years old (minor).

run_all.sh

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+#!/bin/bash
+
+set -euo pipefail
+
+LOG_FILE="./logs/app.log"
+
+function system_check() {
+    bash scripts/system_check.sh
+}
+
+function backup() {
+    read -p "Enter directory to backup: " dir
+    bash scripts/backup.sh "$dir"
+}
+
+while true; do
+    echo "1. System Check"
+    echo "2. Backup"
+    echo "3. Exit"
+
+    read -p "Choose option: " choice
+
+    case $choice in
+        1) system_check ;;
+        2) backup ;;
+        3) exit 0 ;;
+        *) echo "Invalid option" ;;
+    esac
+
+    echo "$(date): Selected $choice" >> "$LOG_FILE"
+done

scripts/backup.sh

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+#!/bin/bash
+
+LOG_FILE="../logs/backup.log"
+BACKUP_DIR="../backups"
+
+input_dir=$1
+
+# Validate directory
+if [[ ! -d "$input_dir" ]]; then
+    echo "Directory does not exist!"
+    exit 1
+fi
+
+timestamp=$(date +%Y%m%d_%H%M%S)
+backup_file="$BACKUP_DIR/backup_$timestamp.tar.gz"
+
+# Create backup
+tar -czf "$backup_file" "$input_dir"
+
+echo "Backup created: $backup_file"
+
+# Keep only last 5 backups
+ls -t $BACKUP_DIR | tail -n +6 | while read file; do
+    rm "$BACKUP_DIR/$file"
+done
+
+# Log
+echo "$(date): Backup created for $input_dir" >> "$LOG_FILE"

scripts/file_manager.sh

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+#!/bin/bash
+
+LOG_FILE="../logs/file_manager.log"
+
+action=$1
+file1=$2
+file2=$3
+
+case $action in
+    create)
+        if [[ -f "$file1" ]]; then
+            echo "File already exists!"
+        else
+            touch "$file1"
+            echo "File created: $file1"
+        fi
+        ;;
+    delete)
+        if [[ -f "$file1" ]]; then
+            rm "$file1"
+            echo "File deleted: $file1"
+        else
+            echo "File not found!"
+        fi
+        ;;
+    list)
+        ls
+        ;;
+    rename)
+        if [[ -f "$file1" ]]; then
+            mv "$file1" "$file2"
+            echo "Renamed to $file2"
+        else
+            echo "File not found!"
+        fi
+        ;;
+    *)
+        echo "Invalid command"
+        ;;
+esac
+
+# Log action
+echo "$(date): $action $file1 $file2" >> "$LOG_FILE"

scripts/process_monitor.sh

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+#!/bin/bash
+
+LOG_FILE="../logs/process_monitor.log"
+
+services=("nginx" "ssh" "docker")
+
+process=$1
+
+if pgrep "$process" > /dev/null
+then
+    echo "$process is Running"
+else
+    echo "$process is Stopped. Restarting..."
+    echo "Restarted $process (simulated)"
+fi
+
+echo "$(date): Checked $process" >> "$LOG_FILE"

scripts/system_check.sh

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+#!/bin/bash
+
+LOG_FILE="../logs/system_report_$(date +%F).log"
+
+echo "System Report - $(date)" | tee "$LOG_FILE"
+
+echo "Disk Usage:" | tee -a "$LOG_FILE"
+df -h | tee -a "$LOG_FILE"
+
+usage=$(df / | awk 'NR==2 {print $5}' | sed 's/%//')
+
+if (( usage > 80 )); then
+    echo "WARNING: Disk usage above 80%" | tee -a "$LOG_FILE"
+fi
+
+echo "Memory Usage:" | tee -a "$LOG_FILE"
+free -m | tee -a "$LOG_FILE"
+
+echo "CPU Load:" | tee -a "$LOG_FILE"
+uptime | tee -a "$LOG_FILE"
+
+echo "Total Processes:" | tee -a "$LOG_FILE"
+ps aux | wc -l | tee -a "$LOG_FILE"
+
+echo "Top 5 Memory 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
+mkdir -p ../logs
+LOG_FILE="../logs/user_info.log"
+read -p "Enter your name: " name
+read -p "Enter your age: " age
+read -p "Enter your country: " country
+if [[ -z "$name" || -z "$age" || -z "$country" ]]; then
+echo "Error: ALL FIELDS ARE REQUIRED!"
+exit 1
+fi
+if  ! [[ "$age" =~ ^[0-9]+$ ]]; then
+echo "Error: AGE MUST BE A NUMBER!"
+exit 1
+fi
+if (( age < 18 )); then
+category="minor"
+elif (( age <= 65 )); then
+category= "Adult"
+else
+category= "senior"
+fi
+message="Hello $name from $country. you are $age years old ($category)."
+echo "$message"
+echo "$(date): $message" >> "$LOG_FILE"