I have Parent script that will execute a child script. The child script will take about 2 hours to run and I wanted to somehow build a logic for parent.sh to wait and perform ps -ef|grep cp|grep -v on the child.sh cp process and loop and check return code of child.sh $? as well. Once they are both... (3 Replies)
I 'm new to unix shell scripting can some one guide me to any e-book or link from where i can learn unix shell scripting .. i want to learn create interactive scripts for my day to day solaris work. Any help would be appreciated (1 Reply)
I am comfortable with shell scripting. I need a better logic for below,
I've a reference file, to take the parameter value. For example in the no of channel is 6 i have get the commands as written below. I need need a differenct logic to extract the commands.
NO_OF_CHANNEL=6
case... (3 Replies)
hi experts,
i m a btech student......my mini project is making a secure unix shell which is intented to stop mal practice in educational environment...........in other words need to create a new shell in which commands like cp do not work....can anyone suggest me how to begin with it....refrence... (3 Replies)
Hello Experts,
I have the following questions to be discussed here at this esteemed discussion forum.
I have two Excel sheets which contain Unix Commands llike creating directory the structure/ftp/Copy/Zip etc to basically create an environment. I need help in understanding some of... (1 Reply)
I'm sorry if this doesn't go here, but I'm in depserate need of help with my last unix homework.
Anyways, I'm taking summer classes, and one of them is UNIX. I've understood everything thus far, but I'm having a killer time with how my instructor has worded the problems for shell scripting. I... (3 Replies)
Discussion started by: dw15
3 Replies
LEARN ABOUT OPENDARWIN
chsh
CHSH(1) User Commands CHSH(1)NAME
chsh - change login shell
SYNOPSIS
chsh [options] [LOGIN]
DESCRIPTION
The chsh command changes the user login shell. This determines the name of the user's initial login command. A normal user may only change
the login shell for her own account; the superuser may change the login shell for any account.
OPTIONS
The options which apply to the chsh command are:
-h, --help
Display help message and exit.
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.
-s, --shell SHELL
The name of the user's new login shell. Setting this field to blank causes the system to select the default login shell.
If the -s option is not selected, chsh operates in an interactive fashion, prompting the user with the current login shell. Enter the new
value to change the shell, or leave the line blank to use the current one. The current shell is displayed between a pair of [ ] marks.
NOTE
The only restriction placed on the login shell is that the command name must be listed in /etc/shells, unless the invoker is the superuser,
and then any value may be added. An account with a restricted login shell may not change her login shell. For this reason, placing /bin/rsh
in /etc/shells is discouraged since accidentally changing to a restricted shell would prevent the user from ever changing her login shell
back to its original value.
FILES
/etc/passwd
User account information.
/etc/shells
List of valid login shells.
/etc/login.defs
Shadow password suite configuration.
SEE ALSO chfn(1), login.defs(5), passwd(5).
shadow-utils 4.5 01/25/2018 CHSH(1)