Q421
Open questionThe superuser can set the sticky bit.
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Q422
Open questionA file has a permission set as 777 ie rwxrwxrwx but the directory permissions are 400. If the user tries to delete the file, will he be able to do it?
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Q423
Open questionFor extracting a substring, . . . . . . . . function is used.
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Q424
Open questionWhat is execute permission?
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Q425
Open questionThe sequences of directories that a shell searches while looking for a command is specified in the PATH variable.
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Q426
Open questionchmod and fchmod calls are used for changing file permissions.
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Q427
Open questionreadonly command is used to protect a variable from reassignment.
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Q428
Open questionThe inode number associated with a file is changed after renaming it.
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Q429
Open question. . . . . . . . command moves the cursor to the end of next line.
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Q430
Open questionWhich command is used to abort the editing and quit the editing mode?
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Q431
Open questionWhich command is used to change the ownership of a file?
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Q432
Open questionWhich command is used for removing an empty directory?
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Q433
Open questionWhich command is used by the administrator to modify some parameters of existing users?
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Q434
Open questionWhich command is used for unzipping files which are compressed using zip command?
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Q435
Open questionWhich built variable is used for defining the field delimiter in the output?
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Q436
Open questionThe command c0 will change the text from current cursor to the end of line.
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Q437
Open questionTo remove the file named my document.txt, which one of the following commands will be used?
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Q438
Open questionWhich of the following symbol(s) can be used to redirect the output to a file or another program?
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Q439
Open questionWhich key is used for deleting text?
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Q440
Open questionWhat is a directory file?
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