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The second set of the three permissions (r-) indicates that
The second set of the three permissions (r-) indicates that The second set of permissions, indicated by (r-), means that the group associated with the file or directory has read permission only. The absence of the "w" (write) and "x" (execute) permissions indicates that the group does not have thoseRead more
The second set of the three permissions (r-) indicates that
See lessThe second set of permissions, indicated by (r-), means that the group associated with the file or directory has read permission only. The absence of the “w” (write) and “x” (execute) permissions indicates that the group does not have those permissions.
Which column contains all details of the permissions of a file when you issue the ls -l command?
The first column gives the type of the file (e.g., directory or ordinary file) and the file permissions.
The first column gives the type of the file (e.g., directory or ordinary file) and the file permissions.
See lessWhich command is used to display and create files?
Usually, we use the cat command to read the contents of a file; however, we can also use the cat command to create a new file.
Usually, we use the cat command to read the contents of a file; however, we can also use the cat command to create a new file.
See lessWhich command is used to make all files and sub-directories in the directory (progs) executable by all users?
So, chmod -R a+x progs makes all files and subdirectories in the progs directory executable by all users.
So, chmod -R a+x progs makes all files and subdirectories in the progs directory executable by all users.
See lessThe field separator in cut command is specified with
Cut by Field ( -f ) Using cut Command List of the fields number specified must be separated by comma. Ranges are not described with -f option. cut uses tab as a default field delimiter but can also work with other delimiter by using -d option. Note: Space is not considered as delimiter in UNIX.
Cut by Field ( -f ) Using cut Command
See lessList of the fields number specified must be separated by comma. Ranges are not described with -f option. cut uses tab as a default field delimiter but can also work with other delimiter by using -d option. Note: Space is not considered as delimiter in UNIX.
Which option will be used with touch command to change the access time?
1)`-a` option in `touch` Command to Only Update Access Time This command is used to change access time only. To change or update the last access or modification times of a file touch -a command is used.
1)`-a` option in `touch` Command to Only Update Access Time
See lessThis command is used to change access time only. To change or update the last access or modification times of a file touch -a command is used.
Which of the following options will be used to display number of blocks used by a file?
The du command displays the number of blocks used for files.
The du command displays the number of blocks used for files.
See lessWhich of the following commands is used to identify the type of file by context?
file' The 'file' command is used to identify the types of file. This command tests each argument and classifies it. The syntax is 'file [option] File_name'.
file’
See lessThe ‘file’ command is used to identify the types of file. This command tests each argument and classifies it. The syntax is ‘file [option] File_name’.
Which of the following commands is used to obtain a list of all files by modification time?
ls -t lists the files in order of the time when they were last modified (newest first) rather than in alphabetical order.
ls -t lists the files in order of the time when they were last modified (newest first) rather than in alphabetical order.
See lessWhich command is used to display the characteristics of a process?
The ps command The ps command is used to display some process information. This command searches the kernel's data structures and process tables for process attributes.
The ps command
See lessThe ps command is used to display some process information. This command searches the kernel’s data structures and process tables for process attributes.