What is “chmod” command?

1246

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Which command is used to find whether the system is 32 bit or 64 bit?

1201

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Which unix command lists files/folders in alphabetical order?

1854

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Name the various commands that are used for the user information in unix.

1138

---

Can you explain a little bit about command substitution?

1164

---

Describe the zip/unzip command using gzip.

1227

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1270

---

Explain ‘library functions’ with respect to unix commands?

1219

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What is the command to find hidden files in the current directory?

1241

---

What is the unix command to confirm a remote host is alive or not?

1283

---

What do chmod, chown, chgrp commands do?

1356

---

What is the command to find maximum memory taking process on the server?

1267

---

Explain mount and unmount command.

1280

---

What is the fork() system call?

981

---

What are the possible return values of kill() system call?

886

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