Explain the sequence of commands below specifically the possible cause(s) of each error message (where applicable).  What actions should be taken to remove the source of the error(s) and re-issue the commands generating no errors?   $ ls -l drwxrwxr-x. 4 mon tue 1024 06-06 19:00 gnutmp  $ ls gnutmp  $ rmdir gnutmp  rmdir: gnutmp: Directory not empty  $ rm gnutmp/*  rm: No match.

Write commands to accomplish the following (use the manual or info pages if necessary):a. Create a user with a login name of bsmith, a UID of 733, a GECOS field entry of“accounting manager,” and a password of Gxj234b. Delete the user jdoe, but leave the home directory intactc. Change the properties of the existing user wjones such that the user has a newcomment field of “shipping” and an account expiry of March 23, 2022d. Lock the account of wjenkinse. Change the password of bsmith to We34Rtf. Change the properties of the existing user tbanks such that the user is a member ofthe managers group and has a login name of artbanksg. Create a user with the same UID and primary group as root and a login name ofwjonesh. Create a new user with a login name of jdoe who has a password of he789R andno home directoryi. Change the primary group of the user wsmith to rootj. Add the users tbanks and jdoe to the group acctg

You can use the character pipe(|) to use the output of a command as the input of another command True or False

please give right answers do not use other webiste and vhatgpt for this answer its giving wring answers all time please 6 7

The mode portion of the command format is made up of the following parts:   Category of users you are working with: u = user, g = group, o = other or a = all   Permissions:  r = read, w = write or x = execute   Assume the file, pfile1, has the following permissions, r----x-w-. Use symbolic mode to change the permissions to rwxrw-r--.

$ Is-I total 4 -rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txt Which command would change the permissions of the above file foo.txt to rw-------? chmod o-rw foo.txt chmod og-rw foo.txt chmod a-rw sample.txt chmod u-rw foo.txt

This is the command that tells awk to output the top 20 users' home directories, login names, and user IDs from the passwd file:

To adjust the playback frequency by one octave, you can send the command "INC FREQ" to increase the frequency, and "DEC FREQ" to decrease the frequency. These commands will increment or decrement the playback frequency in one-octave steps, effectively doubling or halving the frequency. It's important to ensure that the adjusted frequency remains within the human hearing range, which spans from 20Hz to 20kHz. #include <avr/io.h> #include <stdint.h> #include "buzzer.h" // Values used to write to the TCA0.SINGLE.PERBUF register. #define TONE1_PER 10256 //10241 #define TONE2_PER 12210  //12179 #define TONE3_PER 7680 #define TONE4_PER 20576  //20483 uint16_t elapsed_time = 0; volatile uint16_t display_time = 20; void buzzer_on(const uint8_t tone) {     static const uint16_t periods[4] = {TONE1_PER, TONE2_PER, TONE3_PER, TONE4_PER};     if (elapsed_time < display_time){         TCA0.SINGLE.PERBUF = periods[tone];         TCA0.SINGLE.CMP0BUF = periods[tone]*0.5;…

Let us assume that we run the following command in the bash shell: ps ef | grep user1 The output of the command is shown below (some columns are omitted for clarity): UID user1 user1 user1 PID PPID 1909 1 1910 1909 1915 1909 Which of the following statement(s) is/are TRUE? 60 Process with pid=1909 has two parent processes None of the mentioned Processes with pid=1 and pid=1909 have been terminated at the time the command was run Process with pid=1 was initiated by user1 Processes with pid=1909 and pid=1910 have been previously terminated Process with pid=1909 has two children processes belong to user1

In a CURSOR FOR Iloop, which command is used to open the cursor? Answers: FETCH a. b. ОРEN FOR LOOP C. d. The cursor is opened automatically by a CURSOR FOR loop.