![]() ![]() An interactive shell is where you (end user) types the command while an non-interactive shell is when shells are launched by other programs such as a script with #!/bin/bash as SHEBANG value.The primary thing to understand is that the rc files are for all shell invocations while the profiles are strictly for interactive shells.This file is executed automatically during logoutĪLSO READ: 6 simple methods to check if ipv6 is enabled in Linux This file is often referred to in the bash interactive scripts, such as ~/.bash_profile ![]() This file is executed when a non-interactive bash shell starts, i.e., a new terminal window in X. Note that this is the original Bourne shell configuration file This is the default in Debian-based distributions, such as Ubuntu. bash_login exists, this file is executed automatically during login. bash_profile doesn’t exist, this file is executed automatically during login If this file exists, it is executed automatically after /etc/profile during login ![]() It usually contains functions and aliases. This is another system-wide initialization file that may be executed by a user’s. It usually contains environment variables, including an initial PATH, and startup programs. If the sperm is not in good quality or quantity, the male cannot produce a child.This is the system-wide initialization file executed during login. Semen may not contain the sperm in males who have diseases. Semen is the secretion which contains the sperm. Semen has high nutritional content to feed the sperm. Semen acts as a medium to carry the sperm to the female genital tract (vagina) These people need immediate care from a health care professional.īoth production are under hormonal control.īoth come out of the body during the sexual excitement. In some others there may not be a seminal ejaculation. Semen may not contain sperm in some males. However some sperm can come out before the ejaculation. Majority of the sperm travel with the seminal fluid ejaculation. Sperm production and semen production are under hormonal control. The neck has number of mitochondria which produces ATP power to the movement. The tail helps to swim in the semen and the female genital tract. Sperm is haploid in number of chromosomes. The sperm production usually takes 70 days. Sperm is the special cell, produced by testicular seminiferous tubules. Like blood, semen can transmits the sexual diseases especially HIV/AIDS. Semen is alkali and it help to neutralize the acidity of female tract. The semen is thick fluid and can CLOT after the ejaculation. Very little amount from the bulbo urethral glands. The majority of the fluid is secreted by seminal vesicles and considerable amount from prostate gland. Usually it is about 2 ml at every ejaculation. The sperm from testicles and the fluids from the glands altogether makes the seminal fluid. The semen is the combined product of male reproductive organs. Usually after the ejaculation the male partner is in the refractory period where he cant erect the penis for about 30 minutes. Some may experience the semen is ejaculated at the on set of or middle of the act. Semen is the fluid which is ejaculated at the end (usually) of the sexual act of a male. The male produces semen which has the sperm on it. Sperm and semen are related to human reproduction. ![]()
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