RHCSA Exam Questions and Answers
Already Passed
How do you check the current kernel version in a Linux system?
You can check the current kernel version using the `uname -r` command.
What command is used to list all installed RPM packages on a system?
The command `rpm -qa` is used to list...
RHCSA Exam Questions and Answers
Already Passed
How do you check the current kernel version in a Linux system?
✔✔You can check the current kernel version using the `uname -r` command.
What command is used to list all installed RPM packages on a system?
✔✔The command `rpm -qa` is used to list all installed RPM packages.
How do you view the contents of a file in Linux?
✔✔You can use commands like `cat`, `less`, or `more` to view the contents of a file.
What is the command to create a new user in Linux?
✔✔The `useradd` command is used to create a new user.
How do you change a user’s password in Linux?
✔✔The `passwd` command is used to change a user’s password.
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,What command is used to switch to another user account in Linux?
✔✔The `su` command is used to switch to another user account.
How do you check the disk usage of a directory?
✔✔You can check the disk usage of a directory using the `du` command.
What command can be used to display the available disk space on mounted filesystems?
✔✔The `df -h` command displays the available disk space on mounted filesystems in a human-
readable format.
How do you view active processes in Linux?
✔✔You can view active processes using the `ps` or `top` commands.
What is the command to stop a running process by its process ID (PID)?
✔✔The `kill` command followed by the PID can be used to stop a running process.
How do you set file permissions in Linux?
✔✔You set file permissions using the `chmod` command.
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,What command would you use to change file ownership in Linux?
✔✔The `chown` command is used to change file ownership.
How do you create a new directory in Linux?
✔✔You can create a new directory using the `mkdir` command.
What is the command to remove an empty directory in Linux?
✔✔The `rmdir` command removes an empty directory.
How do you schedule a job to run at a specific time using cron?
✔✔You can schedule jobs using the `crontab -e` command to edit the cron table and set up the
schedule.
What is the function of the `/etc/fstab` file?
✔✔The `/etc/fstab` file is used to define how disk partitions, devices, and filesystems are
automatically mounted at boot.
3
, How do you mount a filesystem manually in Linux?
✔✔You can manually mount a filesystem using the `mount` command.
What command is used to unmount a filesystem?
✔✔The `umount` command is used to unmount a filesystem.
How do you check the status of systemd services?
✔✔You can check the status of systemd services using the `systemctl status` command.
What is the purpose of the `journalctl` command?
✔✔The `journalctl` command is used to view systemd logs.
How do you start or stop a service using systemctl?
✔✔You use `systemctl start <service>` to start and `systemctl stop <service>` to stop a service.
What is the purpose of the `/etc/passwd` file?
✔✔The `/etc/passwd` file contains user account information, including usernames and home
directories.
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