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XK0-005 · Question #220

A user issues the following command: ls -l /var/log | egrep -e '^d[rwx]{3}.[rw-]{3}.' The list of files in the system is shown below: Which of the following results matches the command issued?

The correct answer is A. drwxr-x--- 2 root adm 4096 Apr 25 14:41 unattended-upgrades. If the regular expression is as follow: ls -l /var/log | egrep -e '^d[rwx]{3}.[rw-]{3}.'

System Management

Question

A user issues the following command:

ls –l /var/log | egrep –e ‘^d[rwx]{3}.[rw-]{3}.’ The list of files in the system is shown below:

Which of the following results matches the command issued?

Exhibit

XK0-005 question #220 exhibit

Options

  • Adrwxr-x--- 2 root adm 4096 Apr 25 14:41 unattended-upgrades
  • Bdrwxr-xr-x 2 root root 4096 Apr 24 08:36 apt
  • Cdrwxr-xr-x 2 root root 4096 Apr 24 08:36 apt
  • D-rw-r--r-- 1 root root 2877 Apr 24 14:14 alternatives.log

How the community answered

(29 responses)
  • A
    72% (21)
  • B
    7% (2)
  • C
    14% (4)
  • D
    7% (2)

Explanation

If the regular expression is as follow: ls -l /var/log | egrep -e '^d[rwx]{3}.[rw-]{3}.'

Topics

#Linux Commands#File Permissions#Regular Expressions#Command Piping

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