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1- ls command is used to display your current directory. [True or False] 2- Read permission...

1- ls command is used to display your current directory. [True or False]

2- Read permission on a directory allows users to switch to it with the cd command. [True of False]

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Answer #1

1. True

ls can be used to display directory

example

Here Directory HomeworkLib has 2 folder New folder , HomeworkLib and one file maxMin

snehkuma-mac:HomeworkLib snehkuma$ ls

New folder HomeworkLib maxMin

snehkuma-mac:HomeworkLib snehkuma$

2. False Read Permission does not allow user to switch to directory

example

snehkuma-mac:HomeworkLib snehkuma$ chmod 000 HomeworkLib/ . //Removing all permission from folder

snehkuma-mac:HomeworkLib snehkuma$ cd HomeworkLib/ . //switch to HomeworkLib folder

-bash: cd: HomeworkLib/: Permission denied //permission denied

snehkuma-mac:HomeworkLib snehkuma$ chmod 222 HomeworkLib/ //now give the read permission

snehkuma-mac:HomeworkLib snehkuma$ cd HomeworkLib/ //switch to HomeworkLib folder

-bash: cd: HomeworkLib/: Permission denied    //permission denied

snehkuma-mac:HomeworkLib snehkuma$ chmod 111 HomeworkLib/    //now give the execute permission

snehkuma-mac:HomeworkLib snehkuma$ cd HomeworkLib/     //switch to HomeworkLib folder

snehkuma-mac:HomeworkLib snehkuma$ //successfully switched

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