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What does the following command allow you to do? alias endear"
Answer : B
The command that allows you to create an alias command is alias. The alias command can be used to define a short name or abbreviation for another command or sequence of commands. The syntax of the alias command is alias name='command'. For example, alias c='clear' will create an alias named c for the clear command. You can then type c to run the clear command. To remove an alias, you can use unalias name. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-bash.html#sec-bash-alias
In the scripts subdirectory under your home directory there is a file named tstparse.sh. You want to set an Extended ACL so thejsmith user has all permissions to just this file. Which command will accomplish this?
Answer : D
The command that you would use to set an Extended ACL so that the jsmith user has all permissions to just the tstparse.sh file in your scripts subdirectory under your home directory is setfacl -m u:jsmith:rwx ~/scripts/tstparse.sh. This command will modify (or create if it does not exist) the Extended ACL for the specified file and add an entry for the jsmith user with read, write, and execute permissions. You can use getfacl ~/scripts/tstparse.sh to view the Extended ACL for the file. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-acl.html#sec-acl-set
Which commands can display the groups of which a user is a member? (Choose two)
Answer : A, E
The commands that can display the groups of which a user is a member are groups and id. The groups command will print the names of all primary and secondary groups that a user belongs to. If no user name is specified, it will print the groups for the current user. The id command will print various information about a user's identity, such as user ID (UID), group ID (GID), primary group name, secondary group names, etc. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-user-group.html#sec-user-group-display
Which file lists each user's home directory and login shell?
Answer : F
The file that lists each user's home directory and login shell is /etc/passwd. This file contains information about each user account on the system, such as user name, password (or an x if using shadow passwords), UID, GID, full name or comment field, home directory path, login shell path, etc. Each line in this file corresponds to one user account and has seven fields separated by colons. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-user-group.html#sec-user-group-files
Which statement is true regarding VFS?
Answer : C
The statement that is true regarding VFS is that VFS is an abstraction layer in the kernel that provides the same interface to applications and users regardless of which file system format is used. VFS stands for Virtual File System or Virtual File System Switch. It allows different types of file systems (such as ext4, xfs, nfs, etc.) to be accessed through a common set of system calls and functions. VFS also provides caching and buffering mechanisms to improve performance and reliability. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-vfs.html
