en.txt

Use `alias` to create your own commands. Example: alias ll=`ls -la`
Use `htop` for real-time monitoring of system resources
Use `df -h` to check available disk space
The `grep -i` command allows case-insensitive search
Use `crontab -e` to schedule automatic tasks
The `du -sh *` command helps see the size of all directories in the current folder
To quickly find a file, use `find /path/to/search -name filename`
Use `lsblk` to list all block devices
Use `top` to monitor system processes
Use `ps aux` to see detailed information about running processes
Use `kill` followed by a PID to terminate a process
Use `chmod +x script.sh` to make a script executable
Use `man command` to view the manual for any command
Use `tldr <command>` for simplified man pages
Use `cp -r` to copy directories
Use `mv` to move or rename files
Use `rsync` for fast and reliable file synchronization
Use `wget` to download files from the internet
Use `curl -O` to download files from a URL
Use `tar -czvf archive.tar.gz directory` to compress a directory
Use `tar -xzvf archive.tar.gz` to extract a compressed file
Use `sudo` to execute commands with superuser privileges
Use `cat` to display file content
Use `less` to view file content page by page
Use `more` to view file content one screen at a time
Use `tail -f file` to monitor changes in a file in real-time
Use `head -n 10 file` to view the first 10 lines of a file
Use `grep` to search within files
Use `cut` to remove sections from each line of a file
Use `sort` to sort lines in a file
Use `uniq` to remove duplicate lines from a file
Use `diff` to compare files line by line
Use `find /path -name filename` to search for files by name
Use `locate filename` to quickly find files by name
Use `updatedb` to update the database used by locate
Use `alias` to create command shortcuts
Use `export` to set environment variables
Use `echo` to print text to the terminal
Use `which command` to find the path of a command
Use `history` to view the command history
Use `clear` to clear the terminal screen
Use `sudo apt update` to update the package list
Use `sudo apt upgrade` to upgrade installed packages
Use `sudo apt install <package>` to install software packages
Use `sudo apt remove <package>` to uninstall packages
Use `apt-cache search <package>` to search for a package
Use `dpkg -l` to list all installed packages
Use `dpkg -S filename` to find which package owns a file
Use `snap install <package>` to install snap packages
Use `snap list` to list installed snap packages
Use `snap remove <package>` to remove snap packages
Use `systemctl start <service>` to start a system service
Use `systemctl stop <service>` to stop a system service
Use `systemctl restart <service>` to restart a system service
Use `systemctl enable <service>` to enable a service at boot
Use `systemctl disable <service>` to disable a service at boot
Use `journalctl` to view system logs
Use `journalctl -xe` to view logs in real-time
Use `lsof` to list open files and processes
Use `ufw status` to check firewall status
Use `ufw allow <port>` to allow a specific port through the firewall
Use `ufw deny <port>` to block a specific port
Use `ip addr` to show network interfaces
Use `ifconfig` to view and configure network interfaces
Use `ping` to test network connectivity
Use `netstat` to display network connections and routing tables
Use `traceroute` to trace the route packets take to reach a destination
Use `nmcli` to manage network connections via CLI
Use `hostname` to display or set the system hostname
Use `whoami` to display the current user
Use `uptime` to check system uptime
Use `dmesg` to view kernel and system messages
Use `lscpu` to display CPU architecture information
Use `free -h` to view system memory usage
Use `watch` to run a command at regular intervals
Use `find /path -type f` to search only for files
Use `find /path -type d` to search only for directories
Use `chmod` to change file permissions
Use `chown` to change file ownership
Use `useradd` to create a new user
Use `usermod` to modify user accounts
Use `passwd` to change the password of a user
Use `groupadd` to create a new group
Use `groupdel` to delete a group
Use `groups` to list the groups a user belongs to
Use `su` to switch to another user
Use `sudo su` to become the root user
Use `id` to display user and group IDs
Use `who` to see who is logged in
Use `last` to view login history
Use `chroot` to change the root directory
Use `tar -czf` to create compressed archives
Use `tar -xzf` to extract compressed archives
Use `gzip` to compress files
Use `gunzip` to decompress files
Use `bzip2` to compress files with higher compression rates
Use `bunzip2` to decompress bzip2 files
Use `xz` to compress files with even higher compression
Use `unxz` to decompress xz files
Use `md5sum` to check the MD5 checksum of a file
Use `sha256sum` to check the SHA256 checksum of a file
Use `ncdu` for an interactive disk usage analyzer
Use `lvm` for managing logical volumes
Use `docker` to manage containers
Use `git` for version control
Use `git clone <repository>` to clone a repository
Use `git status` to check the status of your git repository
Use `git add` to add changes to the staging area
Use `git commit` to commit changes
Use `git push` to push changes to a remote repository
Use `git pull` to pull changes from a remote repository
Use `git merge` to merge branches
Use `git log` to view commit history