Problem Description
Common Linux commands and how to use them
Solutions
cd: switch directories, for example: cd /home/user1
ls: List all files and directories in the current directory, for example: ls
mkdir: Create a new directory, for example: mkdir new_dir
rm: Delete a file or directory, for example: rm file1 or rm -r dir1 (delete directory)
pwd: displays the current working directory, for example: pwd
cp: Copy files or directories, for example: cp file1 file2 or cp -r dir1 dir2 (copy directory)
mv: Move or rename a file or directory, for example: mv file1 newfile or mv dir1 newdir
cat: View file contents, for example: cat file1
grep: Find the specified string in the file, for example: grep "string" file1
ps: displays currently running processes, for example: ps aux
kill: end a running process, for example: kill pid (pid is the process ID)
top: Displays the running processes and system resource usage in the system, for example: top
ping: Test network connection, for example: ping www.baidu.com
ifconfig: Display network interface information, for example: ifconfig
ssh: Remote login to another computer, for example: ssh user@remote_host