Quick Answer: How do I get the first day of the current month in Unix?

How do I get the first day of the month in Unix?

First day of month is always the first, so it is easy:

  1. $ date -d “month ago” “+%Y/%m/01”
  2. 2016/03/01.

How do I get the last day of the current month in Unix?

y=$(date ‘+%Y’) # Get current year m=$(date ‘+%m’) # Get current month ((m–)) # Decrement month [[ ${m} == 0 ]] && ((y–)) # If month zero, decrement year [[ ${m} == 0 ]] && m=12 # If month zero, reset to 12 cal ${m} ${y} | awk ‘NF{A=$NF}END{print A}’ # Run cal, and print the last field of the last line with fields.

How do I get the current day in Unix?

Sample shell script to display the current date and time

#!/bin/bash now=”$(date)” printf “Current date and time %sn” “$now” now=”$(date +’%d/%m/%Y’)” printf “Current date in dd/mm/yyyy format %sn” “$now” echo “Starting backup at $now, please wait…” # command to backup scripts goes here # …

How do I get the last day of the month in Linux?

Start with the current date ( date ) -> 2017-03-06. Set that date to the 1st day of its month ( -v1d ) -> 2017-03-01. Subtract one day from that ( -v-1d) -> 2017-02-28. Format the date ( +%d%b%Y ) -> 28Feb2017.

How do I display previous current and next month in Unix?

How to display previous, current and next month in one go? The cal/ncal commands also display the previous, current and next month surrounding today. For this, you need to pass the -3 command-line option.

What is the output of who command?

Explanation: who command output the details of the users who are currently logged in to the system. The output includes username, terminal name (on which they are logged in), date and time of their login etc. 11.

How do I display AM or PM in lower case in Unix?

Options Related to Formatting

  1. %p: Prints the AM or PM indicator in uppercase.
  2. %P: Prints the am or pm indicator in lowercase. Note the quirk with these two options. A lowercase p gives uppercase output, an uppercase P gives lowercase output.
  3. %t: Prints a tab.
  4. %n: Prints a new line.

Which command is used for current date?

date command is used to display the system date and time. date command is also used to set date and time of the system. By default the date command displays the date in the time zone on which unix/linux operating system is configured. You must be the super-user (root) to change the date and time.

How do you display current day as full weekday in Unix?

From the date command man page:

  1. %a – Displays the locale’s abbreviated weekday name.
  2. %A – Displays the locale’s full weekday name.
  3. %b – Displays the locale’s abbreviated month name.
  4. %B – Displays the locale’s full month name.
  5. %c – Displays the locale’s appropriate date and time representation (default).

Which command will display the year from date command in Unix?

Linux date Command Format Options

These are the most common formatting characters for the date command: %D – Display date as mm/dd/yy. %Y – Year (e.g., 2020)

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