10 Daily Linux Questions and Answers Series (part 7)

In this brief article, I present 10 essential Linux questions along with their answers. This foundational knowledge is crucial for anyone seeking to master Linux. Listing Files (ls command) Q1: What is the ls command used for in Linux? The ls command is used to list files and directories. Q2: How do you list all files, including hidden ones? ls -a Q3: How can you display file details such as permissions, owner, size, and modification date? ls -l Q4: How do you list files in human-readable sizes? ls -lh Q5: How do you list files sorted by modification time? ls -lt Q6: How do you list only directories? ls -d */ Q7: How do you list files recursively in all subdirectories? ls -R Q8: How do you list files sorted by size? ls -lS Q9: How do you differentiate between a file and a directory in ls output? A directory has a d at the beginning of the permissions string (e.g., drwxr-xr-x). Q10: How do you check inode numbers of files? ls -i Stay tuned for part 8 coming tomorrow! Connect with me on LinkedIn #30DaysLinuxChallenge #RedHatEnterpriseLinux #CloudWhistler #CloudEngineer #Linux #DevOps #RedHat #OpenSource #CloudComputing #Automation #CloudEngineer

Apr 18, 2025 - 16:08

10 Daily Linux Questions and Answers Series (part 7)

In this brief article, I present 10 essential Linux questions along with their answers.
This foundational knowledge is crucial for anyone seeking to master Linux.

Listing Files (ls command)

Q1: What is the ls command used for in Linux?
The ls command is used to list files and directories.

Q2: How do you list all files, including hidden ones?
ls -a

Q3: How can you display file details such as permissions, owner, size, and modification date?
ls -l

Q4: How do you list files in human-readable sizes?
ls -lh

Q5: How do you list files sorted by modification time?
ls -lt

Q6: How do you list only directories?
ls -d */

Q7: How do you list files recursively in all subdirectories?
ls -R

Q8: How do you list files sorted by size?
ls -lS

Q9: How do you differentiate between a file and a directory in ls output?
A directory has a d at the beginning of the permissions string (e.g., drwxr-xr-x).

Q10: How do you check inode numbers of files?
ls -i

Stay tuned for part 8 coming tomorrow!

Connect with me on LinkedIn

#30DaysLinuxChallenge #RedHatEnterpriseLinux
#CloudWhistler #CloudEngineer #Linux
#DevOps #RedHat #OpenSource
#CloudComputing #Automation
#CloudEngineer